RESEARCH ARCHIVEv2.0 · 2026-08-221,16,569 lines7.9 MB

Chemistry Knowledge Base — Research Archive

The science pack behind CHEMISTRY-KNOWLEDGE-BASE-RESEARCH-CONTENT.md — 23 major chemistry hubs, 286 lesson dossiers, and the flagship 3,300-line Periodic Table guide. Editorial source material, not finished SEO pages, until each dossier passes a real chemistry review.

23
HUBS
Chemistry Foundations → Applied & Lab Chemistry
286
DOSSIERS
Research-development briefs for every lesson
1
FLAGSHIP PUBLISHED
Periodic Table Complete Guide — now live

File also available at repository root as CHEMISTRY-KNOWLEDGE-BASE-RESEARCH-CONTENT (2).md. Public path: /downloads/CHEMISTRY-KNOWLEDGE-BASE-RESEARCH-CONTENT.md.

Editorial gate — why dossiers are not yet public lessons

  • Published content on this site has passed real reviewstatus: published requires reviewer, lastReviewedAt, and at least one referenceIds/sourceIds. Dossiers are listed here as source material, not routed as indexed lesson pages.
  • The massive archive itself says: Do not render this archive as one webpage and Do not publish research prompts, checklists, or unfinished questions verbatim. A chemistry reviewer must convert each dossier into original, cited prose before a /learn/… route is created.
  • Only the content inside DIRECT_PAGE_START / DIRECT_PAGE_END is approved as a 1,000-plus-line direct article — now published at /lessons/periodic-table-and-periodic-trends.
  • For now, hubs below link to published topics/lessons that already exist (via search), not to thin auto-generated pages. Use the browser below to scope research, then commission hub packs one at a time.

Staged design prevents thin AI-generated pages from weakening scientific trust, usability, and SEO — per the pack’s own expansion rule.

FLAGSHIP · HUB 05

Periodic Table and Periodic Trends: The Complete Guide

A source-reviewed guide to periodic law, groups, periods, blocks, trends, exceptions, comparisons, and all 118 elements.

95-minute read · beginner to introductory college · reviewed 2026-08-22

What this guide covers (36 sections)

Periodic law, groups/periods/blocks, valence, ENC/shielding/penetration, atomic/ionic radii, isoelectronic series, IE (incl. exceptions), EA, electronegativity, metallic character, reactivity, oxidation states, oxides, transition metals, lanthanoid contraction, actinoids, relativistic effects, H/He/group-3 conventions, superheavy predictions, comparison workflow, interactive use, safety, plus group-by-group and period-by-period maps and 30+ worked reasoning examples.

23-Hub Architecture

Hub routes are prescriptive. Current topic slugs map to these hubs (some hubs merge into one topic file today — e.g., Thermochemistry + Thermodynamics → thermochemistry-thermodynamics). Laser-citation and review are per-hub.

017 lessons

01. Chemistry Foundations

Scope of chemistry, scientific reasoning, models, evidence, and the macroscopic–particulate–symbolic relationship.

/learn/chemistry-foundations/

  1. 001What chemistry studieswhat-chemistry-studies · /learn/chemistry-foundations/what-chemistry-studies/
  2. 002Branches and applicationsbranches-and-applications · /learn/chemistry-foundations/branches-and-applications/
  3. 003Macroscopic, particulate, and symbolic viewsmacroscopic-particulate-and-symbolic-views · /learn/chemistry-foundations/macroscopic-particulate-and-symbolic-views/
  4. 004Observation, hypothesis, theory, and lawobservation-hypothesis-theory-and-law · /learn/chemistry-foundations/observation-hypothesis-theory-and-law/
  5. 005Experimental design and reproducibilityexperimental-design-and-reproducibility · /learn/chemistry-foundations/experimental-design-and-reproducibility/
  6. 006Evidence, models, uncertainty, and revisionevidence-models-uncertainty-and-revision · /learn/chemistry-foundations/evidence-models-uncertainty-and-revision/
  7. 007Careers and interdisciplinary connectionscareers-and-interdisciplinary-connections · /learn/chemistry-foundations/careers-and-interdisciplinary-connections/
Search topics·/learn/chemistry-foundations/ (future learn path)
028 lessons

02. Measurement and Chemical Mathematics

SI units, measurement quality, dimensional analysis, scientific notation, graphing, and quantitative reasoning.

/learn/measurement-and-chemical-mathematics/

  1. 008SI base and derived unitssi-base-and-derived-units · /learn/measurement-and-chemical-mathematics/si-base-and-derived-units/
  2. 009Accuracy, precision, error, and uncertaintyaccuracy-precision-error-and-uncertainty · /learn/measurement-and-chemical-mathematics/accuracy-precision-error-and-uncertainty/
  3. 010Significant figuressignificant-figures · /learn/measurement-and-chemical-mathematics/significant-figures/
  4. 011Scientific notationscientific-notation · /learn/measurement-and-chemical-mathematics/scientific-notation/
  5. 012Dimensional analysisdimensional-analysis · /learn/measurement-and-chemical-mathematics/dimensional-analysis/
  6. 013Density and temperaturedensity-and-temperature · /learn/measurement-and-chemical-mathematics/density-and-temperature/
  7. 014Percent and ratio methodspercent-and-ratio-methods · /learn/measurement-and-chemical-mathematics/percent-and-ratio-methods/
  8. 015Graphs, logarithms, and proportional reasoninggraphs-logarithms-and-proportional-reasoning · /learn/measurement-and-chemical-mathematics/graphs-logarithms-and-proportional-reasoning/
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039 lessons

03. Matter, Properties, and Separation

Classification of matter, states, properties, changes, phase behavior, purity, and separation methods.

/learn/matter-properties-and-separation/

  1. 016Particle models of statesparticle-models-of-states · /learn/matter-properties-and-separation/particle-models-of-states/
  2. 017Elements, compounds, and mixtureselements-compounds-and-mixtures · /learn/matter-properties-and-separation/elements-compounds-and-mixtures/
  3. 018Homogeneous and heterogeneous matterhomogeneous-and-heterogeneous-matter · /learn/matter-properties-and-separation/homogeneous-and-heterogeneous-matter/
  4. 019Physical and chemical propertiesphysical-and-chemical-properties · /learn/matter-properties-and-separation/physical-and-chemical-properties/
  5. 020Intensive and extensive propertiesintensive-and-extensive-properties · /learn/matter-properties-and-separation/intensive-and-extensive-properties/
  6. 021Physical and chemical changephysical-and-chemical-change · /learn/matter-properties-and-separation/physical-and-chemical-change/
  7. 022Phase changes and heating curvesphase-changes-and-heating-curves · /learn/matter-properties-and-separation/phase-changes-and-heating-curves/
  8. 023Filtration and centrifugationfiltration-and-centrifugation · /learn/matter-properties-and-separation/filtration-and-centrifugation/
  9. 024Distillation, chromatography, and crystallizationdistillation-chromatography-and-crystallization · /learn/matter-properties-and-separation/distillation-chromatography-and-crystallization/
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0412 lessons

04. Atomic Theory and Quantum Structure

Atomic models, nuclei, isotopes, spectra, quantization, quantum numbers, orbitals, and electron configurations.

/learn/atomic-theory-and-quantum-structure/

  1. 025Dalton and early atomic theorydalton-and-early-atomic-theory · /learn/atomic-theory-and-quantum-structure/dalton-and-early-atomic-theory/
  2. 026Electron discoveryelectron-discovery · /learn/atomic-theory-and-quantum-structure/electron-discovery/
  3. 027Nuclear atomnuclear-atom · /learn/atomic-theory-and-quantum-structure/nuclear-atom/
  4. 028Protons, neutrons, isotopes, and ionsprotons-neutrons-isotopes-and-ions · /learn/atomic-theory-and-quantum-structure/protons-neutrons-isotopes-and-ions/
  5. 029Mass spectrometry and abundancemass-spectrometry-and-abundance · /learn/atomic-theory-and-quantum-structure/mass-spectrometry-and-abundance/
  6. 030Electromagnetic radiationelectromagnetic-radiation · /learn/atomic-theory-and-quantum-structure/electromagnetic-radiation/
  7. 031Photons and photoelectric effectphotons-and-photoelectric-effect · /learn/atomic-theory-and-quantum-structure/photons-and-photoelectric-effect/
  8. 032Bohr model and spectrabohr-model-and-spectra · /learn/atomic-theory-and-quantum-structure/bohr-model-and-spectra/
  9. 033Wave–particle dualitywave-particle-duality · /learn/atomic-theory-and-quantum-structure/wave-particle-duality/
  10. 034Orbitals and quantum numbersorbitals-and-quantum-numbers · /learn/atomic-theory-and-quantum-structure/orbitals-and-quantum-numbers/
  11. 035Aufbau, Pauli, and Hundaufbau-pauli-and-hund · /learn/atomic-theory-and-quantum-structure/aufbau-pauli-and-hund/
  12. 036Configurations and exceptionsconfigurations-and-exceptions · /learn/atomic-theory-and-quantum-structure/configurations-and-exceptions/
Search topics·/learn/atomic-theory-and-quantum-structure/ (future learn path)
0513 lessons

05. Periodic Table and Periodicity

Atomic-number order, groups, periods, blocks, periodic trends, exceptions, chemical families, and all 118 elements.

/learn/periodic-table-and-periodicity/

  1. 037Development of the tabledevelopment-of-the-table · /learn/periodic-table-and-periodicity/development-of-the-table/
  2. 038Modern periodic lawmodern-periodic-law · /learn/periodic-table-and-periodicity/modern-periodic-law/
  3. 039Groups, periods, and blocksgroups-periods-and-blocks · /learn/periodic-table-and-periodicity/groups-periods-and-blocks/
  4. 040Valence patternsvalence-patterns · /learn/periodic-table-and-periodicity/valence-patterns/
  5. 041Effective nuclear chargeeffective-nuclear-charge · /learn/periodic-table-and-periodicity/effective-nuclear-charge/
  6. 042Atomic and ionic radiusatomic-and-ionic-radius · /learn/periodic-table-and-periodicity/atomic-and-ionic-radius/
  7. 043Ionization energyionization-energy · /learn/periodic-table-and-periodicity/ionization-energy/
  8. 044Electron affinityelectron-affinity · /learn/periodic-table-and-periodicity/electron-affinity/
  9. 045Electronegativityelectronegativity · /learn/periodic-table-and-periodicity/electronegativity/
  10. 046Metallic charactermetallic-character · /learn/periodic-table-and-periodicity/metallic-character/
  11. 047Oxidation statesoxidation-states · /learn/periodic-table-and-periodicity/oxidation-states/
  12. 048Trend exceptionstrend-exceptions · /learn/periodic-table-and-periodicity/trend-exceptions/
  13. 049Lanthanoids, actinoids, and superheavy elementslanthanoids-actinoids-and-superheavy-elements · /learn/periodic-table-and-periodicity/lanthanoids-actinoids-and-superheavy-elements/
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069 lessons

06. Formulas, Compounds, and Nomenclature

Chemical representation and naming of ionic, molecular, acidic, coordination, and introductory organic substances.

/learn/formulas-compounds-and-nomenclature/

  1. 050Atoms, molecules, formula units, and ionsatoms-molecules-formula-units-and-ions · /learn/formulas-compounds-and-nomenclature/atoms-molecules-formula-units-and-ions/
  2. 051Empirical, molecular, and structural formulasempirical-molecular-and-structural-formulas · /learn/formulas-compounds-and-nomenclature/empirical-molecular-and-structural-formulas/
  3. 052Monatomic and polyatomic ionsmonatomic-and-polyatomic-ions · /learn/formulas-compounds-and-nomenclature/monatomic-and-polyatomic-ions/
  4. 053Ionic nomenclatureionic-nomenclature · /learn/formulas-compounds-and-nomenclature/ionic-nomenclature/
  5. 054Stock namingstock-naming · /learn/formulas-compounds-and-nomenclature/stock-naming/
  6. 055Molecular nomenclaturemolecular-nomenclature · /learn/formulas-compounds-and-nomenclature/molecular-nomenclature/
  7. 056Acids, bases, hydrates, and solvatesacids-bases-hydrates-and-solvates · /learn/formulas-compounds-and-nomenclature/acids-bases-hydrates-and-solvates/
  8. 057Formula writingformula-writing · /learn/formulas-compounds-and-nomenclature/formula-writing/
  9. 058Oxidation numbersoxidation-numbers · /learn/formulas-compounds-and-nomenclature/oxidation-numbers/
Search topics·/learn/formulas-compounds-and-nomenclature/ (future learn path)
0711 lessons

07. Chemical Bonding

Ionic, covalent, metallic, and coordinate bonding; Lewis structures, formal charge, resonance, polarity, and bond energy.

/learn/chemical-bonding/

  1. 059Why bonds formwhy-bonds-form · /learn/chemical-bonding/why-bonds-form/
  2. 060Ionic bonding and lattice energyionic-bonding-and-lattice-energy · /learn/chemical-bonding/ionic-bonding-and-lattice-energy/
  3. 061Covalent bondingcovalent-bonding · /learn/chemical-bonding/covalent-bonding/
  4. 062Metallic bondingmetallic-bonding · /learn/chemical-bonding/metallic-bonding/
  5. 063Lewis structureslewis-structures · /learn/chemical-bonding/lewis-structures/
  6. 064Formal chargeformal-charge · /learn/chemical-bonding/formal-charge/
  7. 065Resonanceresonance · /learn/chemical-bonding/resonance/
  8. 066Octet exceptionsoctet-exceptions · /learn/chemical-bonding/octet-exceptions/
  9. 067Bond length, strength, and orderbond-length-strength-and-order · /learn/chemical-bonding/bond-length-strength-and-order/
  10. 068Bond enthalpybond-enthalpy · /learn/chemical-bonding/bond-enthalpy/
  11. 069Bond polaritybond-polarity · /learn/chemical-bonding/bond-polarity/
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0812 lessons

08. Molecular Shape and Intermolecular Forces

VSEPR, molecular geometry, polarity, valence-bond and molecular-orbital ideas, and intermolecular attractions.

/learn/molecular-shape-and-intermolecular-forces/

  1. 070VSEPRvsepr · /learn/molecular-shape-and-intermolecular-forces/vsepr/
  2. 071Electron-domain and molecular geometryelectron-domain-and-molecular-geometry · /learn/molecular-shape-and-intermolecular-forces/electron-domain-and-molecular-geometry/
  3. 072Lone-pair distortionslone-pair-distortions · /learn/molecular-shape-and-intermolecular-forces/lone-pair-distortions/
  4. 073Molecular polaritymolecular-polarity · /learn/molecular-shape-and-intermolecular-forces/molecular-polarity/
  5. 074Hybridizationhybridization · /learn/molecular-shape-and-intermolecular-forces/hybridization/
  6. 075Sigma and pi bondssigma-and-pi-bonds · /learn/molecular-shape-and-intermolecular-forces/sigma-and-pi-bonds/
  7. 076Molecular-orbital foundationsmolecular-orbital-foundations · /learn/molecular-shape-and-intermolecular-forces/molecular-orbital-foundations/
  8. 077London forceslondon-forces · /learn/molecular-shape-and-intermolecular-forces/london-forces/
  9. 078Dipole interactionsdipole-interactions · /learn/molecular-shape-and-intermolecular-forces/dipole-interactions/
  10. 079Hydrogen bondinghydrogen-bonding · /learn/molecular-shape-and-intermolecular-forces/hydrogen-bonding/
  11. 080Ion–dipole interactionsion-dipole-interactions · /learn/molecular-shape-and-intermolecular-forces/ion-dipole-interactions/
  12. 081Structure–property predictionstructure-property-prediction · /learn/molecular-shape-and-intermolecular-forces/structure-property-prediction/
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0912 lessons

09. Mole Concept and Stoichiometry

Amount of substance, molar mass, composition, equations, limiting reactants, yield, and quantitative reactions.

/learn/mole-concept-and-stoichiometry/

  1. 082Mole and Avogadro constantmole-and-avogadro-constant · /learn/mole-concept-and-stoichiometry/mole-and-avogadro-constant/
  2. 083Molar massmolar-mass · /learn/mole-concept-and-stoichiometry/molar-mass/
  3. 084Mass–mole–particle conversionmass-mole-particle-conversion · /learn/mole-concept-and-stoichiometry/mass-mole-particle-conversion/
  4. 085Percent compositionpercent-composition · /learn/mole-concept-and-stoichiometry/percent-composition/
  5. 086Empirical and molecular formulasempirical-and-molecular-formulas · /learn/mole-concept-and-stoichiometry/empirical-and-molecular-formulas/
  6. 087Balancing equationsbalancing-equations · /learn/mole-concept-and-stoichiometry/balancing-equations/
  7. 088Mole ratiosmole-ratios · /learn/mole-concept-and-stoichiometry/mole-ratios/
  8. 089Mass stoichiometrymass-stoichiometry · /learn/mole-concept-and-stoichiometry/mass-stoichiometry/
  9. 090Limiting reactantlimiting-reactant · /learn/mole-concept-and-stoichiometry/limiting-reactant/
  10. 091Theoretical and percent yieldtheoretical-and-percent-yield · /learn/mole-concept-and-stoichiometry/theoretical-and-percent-yield/
  11. 092Solution stoichiometrysolution-stoichiometry · /learn/mole-concept-and-stoichiometry/solution-stoichiometry/
  12. 093Combustion analysiscombustion-analysis · /learn/mole-concept-and-stoichiometry/combustion-analysis/
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1012 lessons

10. Chemical Reactions and Aqueous Chemistry

Reaction evidence, classification, electrolytes, ionic equations, precipitation, acid–base, gas formation, and redox.

/learn/chemical-reactions-and-aqueous-chemistry/

  1. 094Reaction evidence and equationsreaction-evidence-and-equations · /learn/chemical-reactions-and-aqueous-chemistry/reaction-evidence-and-equations/
  2. 095Synthesis and decompositionsynthesis-and-decomposition · /learn/chemical-reactions-and-aqueous-chemistry/synthesis-and-decomposition/
  3. 096Replacement and combustionreplacement-and-combustion · /learn/chemical-reactions-and-aqueous-chemistry/replacement-and-combustion/
  4. 097Electrolyteselectrolytes · /learn/chemical-reactions-and-aqueous-chemistry/electrolytes/
  5. 098Dissociation and ionizationdissociation-and-ionization · /learn/chemical-reactions-and-aqueous-chemistry/dissociation-and-ionization/
  6. 099Precipitationprecipitation · /learn/chemical-reactions-and-aqueous-chemistry/precipitation/
  7. 100Complete and net ionic equationscomplete-and-net-ionic-equations · /learn/chemical-reactions-and-aqueous-chemistry/complete-and-net-ionic-equations/
  8. 101Neutralizationneutralization · /learn/chemical-reactions-and-aqueous-chemistry/neutralization/
  9. 102Gas-forming reactionsgas-forming-reactions · /learn/chemical-reactions-and-aqueous-chemistry/gas-forming-reactions/
  10. 103Oxidation and reductionoxidation-and-reduction · /learn/chemical-reactions-and-aqueous-chemistry/oxidation-and-reduction/
  11. 104Redox balancingredox-balancing · /learn/chemical-reactions-and-aqueous-chemistry/redox-balancing/
  12. 105Limits of reaction predictionlimits-of-reaction-prediction · /learn/chemical-reactions-and-aqueous-chemistry/limits-of-reaction-prediction/
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1111 lessons

11. Gases

Gas variables and laws, kinetic molecular theory, mixtures, molecular speeds, diffusion, effusion, and real behavior.

/learn/gases/

  1. 106Pressure and manometerspressure-and-manometers · /learn/gases/pressure-and-manometers/
  2. 107Boyle, Charles, and Avogadro relationshipsboyle-charles-and-avogadro-relationships · /learn/gases/boyle-charles-and-avogadro-relationships/
  3. 108Combined and ideal gas lawscombined-and-ideal-gas-laws · /learn/gases/combined-and-ideal-gas-laws/
  4. 109Gas stoichiometrygas-stoichiometry · /learn/gases/gas-stoichiometry/
  5. 110Partial pressurespartial-pressures · /learn/gases/partial-pressures/
  6. 111Kinetic molecular theorykinetic-molecular-theory · /learn/gases/kinetic-molecular-theory/
  7. 112Speed distributionsspeed-distributions · /learn/gases/speed-distributions/
  8. 113Effusion and diffusioneffusion-and-diffusion · /learn/gases/effusion-and-diffusion/
  9. 114Real gasesreal-gases · /learn/gases/real-gases/
  10. 115van der Waals equationvan-der-waals-equation · /learn/gases/van-der-waals-equation/
  11. 116Gas collection over watergas-collection-over-water · /learn/gases/gas-collection-over-water/
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1211 lessons

12. Liquids, Solids, and Materials

Liquid properties, phase diagrams, crystal structure, bonding in solids, defects, semiconductors, polymers, and nanomaterials.

/learn/liquids-solids-and-materials/

  1. 117Liquid structureliquid-structure · /learn/liquids-solids-and-materials/liquid-structure/
  2. 118Viscosity and surface tensionviscosity-and-surface-tension · /learn/liquids-solids-and-materials/viscosity-and-surface-tension/
  3. 119Vapor pressure and boilingvapor-pressure-and-boiling · /learn/liquids-solids-and-materials/vapor-pressure-and-boiling/
  4. 120Phase diagramsphase-diagrams · /learn/liquids-solids-and-materials/phase-diagrams/
  5. 121Crystalline and amorphous solidscrystalline-and-amorphous-solids · /learn/liquids-solids-and-materials/crystalline-and-amorphous-solids/
  6. 122Unit cellsunit-cells · /learn/liquids-solids-and-materials/unit-cells/
  7. 123Types of solidstypes-of-solids · /learn/liquids-solids-and-materials/types-of-solids/
  8. 124Crystal defectscrystal-defects · /learn/liquids-solids-and-materials/crystal-defects/
  9. 125Semiconductorssemiconductors · /learn/liquids-solids-and-materials/semiconductors/
  10. 126Polymers and compositespolymers-and-composites · /learn/liquids-solids-and-materials/polymers-and-composites/
  11. 127Nanomaterialsnanomaterials · /learn/liquids-solids-and-materials/nanomaterials/
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1312 lessons

13. Solutions and Colligative Properties

Dissolution, concentration, solubility, Henry and Raoult laws, vapor pressure, boiling, freezing, and osmosis.

/learn/solutions-and-colligative-properties/

  1. 128Dissolution and hydrationdissolution-and-hydration · /learn/solutions-and-colligative-properties/dissolution-and-hydration/
  2. 129Solubility and saturationsolubility-and-saturation · /learn/solutions-and-colligative-properties/solubility-and-saturation/
  3. 130Concentration unitsconcentration-units · /learn/solutions-and-colligative-properties/concentration-units/
  4. 131Dilutiondilution · /learn/solutions-and-colligative-properties/dilution/
  5. 132Henry lawhenry-law · /learn/solutions-and-colligative-properties/henry-law/
  6. 133Raoult lawraoult-law · /learn/solutions-and-colligative-properties/raoult-law/
  7. 134Boiling-point elevationboiling-point-elevation · /learn/solutions-and-colligative-properties/boiling-point-elevation/
  8. 135Freezing-point depressionfreezing-point-depression · /learn/solutions-and-colligative-properties/freezing-point-depression/
  9. 136Osmotic pressureosmotic-pressure · /learn/solutions-and-colligative-properties/osmotic-pressure/
  10. 137van't Hoff factorvan-t-hoff-factor · /learn/solutions-and-colligative-properties/van-t-hoff-factor/
  11. 138Colloidscolloids · /learn/solutions-and-colligative-properties/colloids/
  12. 139Solution preparationsolution-preparation · /learn/solutions-and-colligative-properties/solution-preparation/
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1412 lessons

14. Thermochemistry

Heat, work, system boundaries, calorimetry, enthalpy, Hess law, formation data, bond energies, and phase changes.

/learn/thermochemistry/

  1. 140System and surroundingssystem-and-surroundings · /learn/thermochemistry/system-and-surroundings/
  2. 141Heat, work, and signsheat-work-and-signs · /learn/thermochemistry/heat-work-and-signs/
  3. 142State functionsstate-functions · /learn/thermochemistry/state-functions/
  4. 143Heat capacityheat-capacity · /learn/thermochemistry/heat-capacity/
  5. 144Calorimetrycalorimetry · /learn/thermochemistry/calorimetry/
  6. 145Enthalpyenthalpy · /learn/thermochemistry/enthalpy/
  7. 146Thermochemical equationsthermochemical-equations · /learn/thermochemistry/thermochemical-equations/
  8. 147Hess lawhess-law · /learn/thermochemistry/hess-law/
  9. 148Formation enthalpyformation-enthalpy · /learn/thermochemistry/formation-enthalpy/
  10. 149Reaction enthalpyreaction-enthalpy · /learn/thermochemistry/reaction-enthalpy/
  11. 150Bond-energy estimatesbond-energy-estimates · /learn/thermochemistry/bond-energy-estimates/
  12. 151Phase-change enthalpyphase-change-enthalpy · /learn/thermochemistry/phase-change-enthalpy/
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1512 lessons

15. Chemical Thermodynamics

Spontaneity, reversibility, entropy, Gibbs energy, temperature dependence, equilibrium, and coupled processes.

/learn/chemical-thermodynamics/

  1. 152Spontaneityspontaneity · /learn/chemical-thermodynamics/spontaneity/
  2. 153Microstates and entropymicrostates-and-entropy · /learn/chemical-thermodynamics/microstates-and-entropy/
  3. 154Second lawsecond-law · /learn/chemical-thermodynamics/second-law/
  4. 155Entropy changeentropy-change · /learn/chemical-thermodynamics/entropy-change/
  5. 156Third lawthird-law · /learn/chemical-thermodynamics/third-law/
  6. 157Gibbs energygibbs-energy · /learn/chemical-thermodynamics/gibbs-energy/
  7. 158Temperature dependencetemperature-dependence · /learn/chemical-thermodynamics/temperature-dependence/
  8. 159Formation free energiesformation-free-energies · /learn/chemical-thermodynamics/formation-free-energies/
  9. 160Free energy and reaction quotientfree-energy-and-reaction-quotient · /learn/chemical-thermodynamics/free-energy-and-reaction-quotient/
  10. 161Free energy and equilibriumfree-energy-and-equilibrium · /learn/chemical-thermodynamics/free-energy-and-equilibrium/
  11. 162Coupled processescoupled-processes · /learn/chemical-thermodynamics/coupled-processes/
  12. 163Thermodynamic versus kinetic controlthermodynamic-versus-kinetic-control · /learn/chemical-thermodynamics/thermodynamic-versus-kinetic-control/
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1613 lessons

16. Chemical Kinetics

Reaction rates, rate laws, integrated forms, half-life, temperature, mechanisms, activation energy, and catalysis.

/learn/chemical-kinetics/

  1. 164Rate definitionsrate-definitions · /learn/chemical-kinetics/rate-definitions/
  2. 165Rate laws and orderrate-laws-and-order · /learn/chemical-kinetics/rate-laws-and-order/
  3. 166Initial-rates methodinitial-rates-method · /learn/chemical-kinetics/initial-rates-method/
  4. 167Integrated rate lawsintegrated-rate-laws · /learn/chemical-kinetics/integrated-rate-laws/
  5. 168Half-lifehalf-life · /learn/chemical-kinetics/half-life/
  6. 169Arrhenius equationarrhenius-equation · /learn/chemical-kinetics/arrhenius-equation/
  7. 170Collision theorycollision-theory · /learn/chemical-kinetics/collision-theory/
  8. 171Transition statetransition-state · /learn/chemical-kinetics/transition-state/
  9. 172Mechanismsmechanisms · /learn/chemical-kinetics/mechanisms/
  10. 173Elementary stepselementary-steps · /learn/chemical-kinetics/elementary-steps/
  11. 174Steady-state ideassteady-state-ideas · /learn/chemical-kinetics/steady-state-ideas/
  12. 175Catalysiscatalysis · /learn/chemical-kinetics/catalysis/
  13. 176Model checkingmodel-checking · /learn/chemical-kinetics/model-checking/
Search topics·/learn/chemical-kinetics/ (future learn path)
1713 lessons

17. Chemical Equilibrium

Dynamic equilibrium, constants, reaction quotient, ICE tables, disturbances, temperature, pressure, and coupled reactions.

/learn/chemical-equilibrium/

  1. 177Dynamic equilibriumdynamic-equilibrium · /learn/chemical-equilibrium/dynamic-equilibrium/
  2. 178Law of mass actionlaw-of-mass-action · /learn/chemical-equilibrium/law-of-mass-action/
  3. 179Kc and Kpkc-and-kp · /learn/chemical-equilibrium/kc-and-kp/
  4. 180Heterogeneous equilibriumheterogeneous-equilibrium · /learn/chemical-equilibrium/heterogeneous-equilibrium/
  5. 181Reaction quotientreaction-quotient · /learn/chemical-equilibrium/reaction-quotient/
  6. 182Comparing Q and Kcomparing-q-and-k · /learn/chemical-equilibrium/comparing-q-and-k/
  7. 183Manipulating equationsmanipulating-equations · /learn/chemical-equilibrium/manipulating-equations/
  8. 184ICE tablesice-tables · /learn/chemical-equilibrium/ice-tables/
  9. 185Approximation and validationapproximation-and-validation · /learn/chemical-equilibrium/approximation-and-validation/
  10. 186Le Châtelier principlele-cha-telier-principle · /learn/chemical-equilibrium/le-cha-telier-principle/
  11. 187Temperature and equilibriumtemperature-and-equilibrium · /learn/chemical-equilibrium/temperature-and-equilibrium/
  12. 188Pressure and volumepressure-and-volume · /learn/chemical-equilibrium/pressure-and-volume/
  13. 189Catalystscatalysts · /learn/chemical-equilibrium/catalysts/
Search topics·/learn/chemical-equilibrium/ (future learn path)
1816 lessons

18. Acids, Bases, Buffers, and Solubility

Acid–base models, pH, weak equilibria, buffers, titrations, polyprotic systems, Ksp, common ions, and precipitation.

/learn/acids-bases-buffers-and-solubility/

  1. 190Arrhenius, Brønsted–Lowry, and Lewisarrhenius-br-nsted-lowry-and-lewis · /learn/acids-bases-buffers-and-solubility/arrhenius-br-nsted-lowry-and-lewis/
  2. 191Conjugate pairsconjugate-pairs · /learn/acids-bases-buffers-and-solubility/conjugate-pairs/
  3. 192Kw, pH, and pOHkw-ph-and-poh · /learn/acids-bases-buffers-and-solubility/kw-ph-and-poh/
  4. 193Strong acids and basesstrong-acids-and-bases · /learn/acids-bases-buffers-and-solubility/strong-acids-and-bases/
  5. 194Weak acids and basesweak-acids-and-bases · /learn/acids-bases-buffers-and-solubility/weak-acids-and-bases/
  6. 195Percent ionizationpercent-ionization · /learn/acids-bases-buffers-and-solubility/percent-ionization/
  7. 196Polyprotic acidspolyprotic-acids · /learn/acids-bases-buffers-and-solubility/polyprotic-acids/
  8. 197Salt hydrolysissalt-hydrolysis · /learn/acids-bases-buffers-and-solubility/salt-hydrolysis/
  9. 198Buffersbuffers · /learn/acids-bases-buffers-and-solubility/buffers/
  10. 199Buffer capacitybuffer-capacity · /learn/acids-bases-buffers-and-solubility/buffer-capacity/
  11. 200Titration curvestitration-curves · /learn/acids-bases-buffers-and-solubility/titration-curves/
  12. 201Indicatorsindicators · /learn/acids-bases-buffers-and-solubility/indicators/
  13. 202Ksp and solubilityksp-and-solubility · /learn/acids-bases-buffers-and-solubility/ksp-and-solubility/
  14. 203Common-ion effectcommon-ion-effect · /learn/acids-bases-buffers-and-solubility/common-ion-effect/
  15. 204Selective precipitationselective-precipitation · /learn/acids-bases-buffers-and-solubility/selective-precipitation/
  16. 205Complex-ion effectscomplex-ion-effects · /learn/acids-bases-buffers-and-solubility/complex-ion-effects/
Search topics·/learn/acids-bases-buffers-and-solubility/ (future learn path)
1914 lessons

19. Electrochemistry

Redox cells, potentials, Nernst equation, concentration cells, electrolysis, batteries, fuel cells, and corrosion.

/learn/electrochemistry/

  1. 206Redox reviewredox-review · /learn/electrochemistry/redox-review/
  2. 207Half-reactionshalf-reactions · /learn/electrochemistry/half-reactions/
  3. 208Galvanic cellsgalvanic-cells · /learn/electrochemistry/galvanic-cells/
  4. 209Anode and cathodeanode-and-cathode · /learn/electrochemistry/anode-and-cathode/
  5. 210Cell notationcell-notation · /learn/electrochemistry/cell-notation/
  6. 211Reduction potentialsreduction-potentials · /learn/electrochemistry/reduction-potentials/
  7. 212Cell potentialcell-potential · /learn/electrochemistry/cell-potential/
  8. 213Nernst equationnernst-equation · /learn/electrochemistry/nernst-equation/
  9. 214Concentration cellsconcentration-cells · /learn/electrochemistry/concentration-cells/
  10. 215Electrolysiselectrolysis · /learn/electrochemistry/electrolysis/
  11. 216Faraday lawsfaraday-laws · /learn/electrochemistry/faraday-laws/
  12. 217Batteries and fuel cellsbatteries-and-fuel-cells · /learn/electrochemistry/batteries-and-fuel-cells/
  13. 218Corrosioncorrosion · /learn/electrochemistry/corrosion/
  14. 219Electroplatingelectroplating · /learn/electrochemistry/electroplating/
Search topics·/learn/electrochemistry/ (future learn path)
2014 lessons

20. Nuclear Chemistry

Nuclide stability, radioactive decay, kinetics, detection, binding energy, fission, fusion, applications, dose, and stewardship.

/learn/nuclear-chemistry/

  1. 220Nuclide notationnuclide-notation · /learn/nuclear-chemistry/nuclide-notation/
  2. 221Nuclear stabilitynuclear-stability · /learn/nuclear-chemistry/nuclear-stability/
  3. 222Alpha, beta, positron, and gamma processesalpha-beta-positron-and-gamma-processes · /learn/nuclear-chemistry/alpha-beta-positron-and-gamma-processes/
  4. 223Electron captureelectron-capture · /learn/nuclear-chemistry/electron-capture/
  5. 224Nuclear equationsnuclear-equations · /learn/nuclear-chemistry/nuclear-equations/
  6. 225Decay lawdecay-law · /learn/nuclear-chemistry/decay-law/
  7. 226Half-life and activityhalf-life-and-activity · /learn/nuclear-chemistry/half-life-and-activity/
  8. 227Detectiondetection · /learn/nuclear-chemistry/detection/
  9. 228Mass defect and binding energymass-defect-and-binding-energy · /learn/nuclear-chemistry/mass-defect-and-binding-energy/
  10. 229Fissionfission · /learn/nuclear-chemistry/fission/
  11. 230Fusionfusion · /learn/nuclear-chemistry/fusion/
  12. 231Medical and analytical usesmedical-and-analytical-uses · /learn/nuclear-chemistry/medical-and-analytical-uses/
  13. 232Dose and risk contextdose-and-risk-context · /learn/nuclear-chemistry/dose-and-risk-context/
  14. 233Waste and stewardshipwaste-and-stewardship · /learn/nuclear-chemistry/waste-and-stewardship/
Search topics·/learn/nuclear-chemistry/ (future learn path)
2114 lessons

21. Inorganic and Coordination Chemistry

Descriptive periodic chemistry, transition metals, complexes, ligand bonding, color, magnetism, isomerism, and organometallic ideas.

/learn/inorganic-and-coordination-chemistry/

  1. 234s-block chemistrys-block-chemistry · /learn/inorganic-and-coordination-chemistry/s-block-chemistry/
  2. 235p-block patternsp-block-patterns · /learn/inorganic-and-coordination-chemistry/p-block-patterns/
  3. 236Transition-metal trendstransition-metal-trends · /learn/inorganic-and-coordination-chemistry/transition-metal-trends/
  4. 237Lanthanoid and actinoid chemistrylanthanoid-and-actinoid-chemistry · /learn/inorganic-and-coordination-chemistry/lanthanoid-and-actinoid-chemistry/
  5. 238Coordination numberscoordination-numbers · /learn/inorganic-and-coordination-chemistry/coordination-numbers/
  6. 239Ligands and denticityligands-and-denticity · /learn/inorganic-and-coordination-chemistry/ligands-and-denticity/
  7. 240Complex nomenclaturecomplex-nomenclature · /learn/inorganic-and-coordination-chemistry/complex-nomenclature/
  8. 241Isomerismisomerism · /learn/inorganic-and-coordination-chemistry/isomerism/
  9. 242Crystal-field splittingcrystal-field-splitting · /learn/inorganic-and-coordination-chemistry/crystal-field-splitting/
  10. 243Color and spectrochemical seriescolor-and-spectrochemical-series · /learn/inorganic-and-coordination-chemistry/color-and-spectrochemical-series/
  11. 244Spin and magnetismspin-and-magnetism · /learn/inorganic-and-coordination-chemistry/spin-and-magnetism/
  12. 245Stability and chelationstability-and-chelation · /learn/inorganic-and-coordination-chemistry/stability-and-chelation/
  13. 246Organometallic foundationsorganometallic-foundations · /learn/inorganic-and-coordination-chemistry/organometallic-foundations/
  14. 247Bioinorganic chemistrybioinorganic-chemistry · /learn/inorganic-and-coordination-chemistry/bioinorganic-chemistry/
Search topics·/learn/inorganic-and-coordination-chemistry/ (future learn path)
2220 lessons

22. Organic Chemistry and Biochemistry

Carbon structures, functional groups, stereochemistry, mechanisms, spectra, polymers, biomolecules, enzymes, and metabolism.

/learn/organic-chemistry-and-biochemistry/

  1. 248Structural representationstructural-representation · /learn/organic-chemistry-and-biochemistry/structural-representation/
  2. 249Alkanes, alkenes, and alkynesalkanes-alkenes-and-alkynes · /learn/organic-chemistry-and-biochemistry/alkanes-alkenes-and-alkynes/
  3. 250Aromaticityaromaticity · /learn/organic-chemistry-and-biochemistry/aromaticity/
  4. 251Halides, alcohols, ethers, and thiolshalides-alcohols-ethers-and-thiols · /learn/organic-chemistry-and-biochemistry/halides-alcohols-ethers-and-thiols/
  5. 252Carbonyl compoundscarbonyl-compounds · /learn/organic-chemistry-and-biochemistry/carbonyl-compounds/
  6. 253Carboxylic acids and derivativescarboxylic-acids-and-derivatives · /learn/organic-chemistry-and-biochemistry/carboxylic-acids-and-derivatives/
  7. 254Amines and amidesamines-and-amides · /learn/organic-chemistry-and-biochemistry/amines-and-amides/
  8. 255Isomerism and stereochemistryisomerism-and-stereochemistry · /learn/organic-chemistry-and-biochemistry/isomerism-and-stereochemistry/
  9. 256Conformation and chiralityconformation-and-chirality · /learn/organic-chemistry-and-biochemistry/conformation-and-chirality/
  10. 257Nucleophiles and electrophilesnucleophiles-and-electrophiles · /learn/organic-chemistry-and-biochemistry/nucleophiles-and-electrophiles/
  11. 258Substitution and eliminationsubstitution-and-elimination · /learn/organic-chemistry-and-biochemistry/substitution-and-elimination/
  12. 259Addition and condensationaddition-and-condensation · /learn/organic-chemistry-and-biochemistry/addition-and-condensation/
  13. 260Organic redoxorganic-redox · /learn/organic-chemistry-and-biochemistry/organic-redox/
  14. 261IR, NMR, and mass spectrometryir-nmr-and-mass-spectrometry · /learn/organic-chemistry-and-biochemistry/ir-nmr-and-mass-spectrometry/
  15. 262Polymerspolymers · /learn/organic-chemistry-and-biochemistry/polymers/
  16. 263Proteinsproteins · /learn/organic-chemistry-and-biochemistry/proteins/
  17. 264Carbohydratescarbohydrates · /learn/organic-chemistry-and-biochemistry/carbohydrates/
  18. 265Lipidslipids · /learn/organic-chemistry-and-biochemistry/lipids/
  19. 266Nucleic acidsnucleic-acids · /learn/organic-chemistry-and-biochemistry/nucleic-acids/
  20. 267Enzymes and ATPenzymes-and-atp · /learn/organic-chemistry-and-biochemistry/enzymes-and-atp/
Search topics·/learn/organic-chemistry-and-biochemistry/ (future learn path)
2319 lessons

23. Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

Safe generation, validation, and application of chemical information in laboratories, instruments, environment, industry, and sustainable design.

/learn/applied-and-laboratory-chemistry/

  1. 268ACS RAMP safetyacs-ramp-safety · /learn/applied-and-laboratory-chemistry/acs-ramp-safety/
  2. 269GHS labels and SDSghs-labels-and-sds · /learn/applied-and-laboratory-chemistry/ghs-labels-and-sds/
  3. 270Glassware and volumetric techniqueglassware-and-volumetric-technique · /learn/applied-and-laboratory-chemistry/glassware-and-volumetric-technique/
  4. 271Samplingsampling · /learn/applied-and-laboratory-chemistry/sampling/
  5. 272Calibration curvescalibration-curves · /learn/applied-and-laboratory-chemistry/calibration-curves/
  6. 273Detection and quantitationdetection-and-quantitation · /learn/applied-and-laboratory-chemistry/detection-and-quantitation/
  7. 274Gravimetrygravimetry · /learn/applied-and-laboratory-chemistry/gravimetry/
  8. 275Titrimetrytitrimetry · /learn/applied-and-laboratory-chemistry/titrimetry/
  9. 276UV–visible and IRuv-visible-and-ir · /learn/applied-and-laboratory-chemistry/uv-visible-and-ir/
  10. 277NMR and mass spectrometrynmr-and-mass-spectrometry · /learn/applied-and-laboratory-chemistry/nmr-and-mass-spectrometry/
  11. 278Chromatographychromatography · /learn/applied-and-laboratory-chemistry/chromatography/
  12. 279Quality assurancequality-assurance · /learn/applied-and-laboratory-chemistry/quality-assurance/
  13. 280Atmospheric chemistryatmospheric-chemistry · /learn/applied-and-laboratory-chemistry/atmospheric-chemistry/
  14. 281Water chemistrywater-chemistry · /learn/applied-and-laboratory-chemistry/water-chemistry/
  15. 282Soil and cyclessoil-and-cycles · /learn/applied-and-laboratory-chemistry/soil-and-cycles/
  16. 283Toxicologytoxicology · /learn/applied-and-laboratory-chemistry/toxicology/
  17. 284Industrial catalysisindustrial-catalysis · /learn/applied-and-laboratory-chemistry/industrial-catalysis/
  18. 285Green chemistrygreen-chemistry · /learn/applied-and-laboratory-chemistry/green-chemistry/
  19. 286Research ethics and data integrityresearch-ethics-and-data-integrity · /learn/applied-and-laboratory-chemistry/research-ethics-and-data-integrity/
Search topics·/learn/applied-and-laboratory-chemistry/ (future learn path)

286 Dossier Browser

Research-development briefs — editorial source, not publish-ready. Filter by hub or search slug/title. This list does not create public routes.

286 shown
001Hub 01

What chemistry studies

what-chemistry-studies

Chemistry Foundations

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002Hub 01

Branches and applications

branches-and-applications

Chemistry Foundations

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003Hub 01

Macroscopic, particulate, and symbolic views

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Chemistry Foundations

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004Hub 01

Observation, hypothesis, theory, and law

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Chemistry Foundations

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005Hub 01

Experimental design and reproducibility

experimental-design-and-reproducibility

Chemistry Foundations

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006Hub 01

Evidence, models, uncertainty, and revision

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Chemistry Foundations

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007Hub 01

Careers and interdisciplinary connections

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Chemistry Foundations

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008Hub 02

SI base and derived units

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Measurement and Chemical Mathematics

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009Hub 02

Accuracy, precision, error, and uncertainty

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Measurement and Chemical Mathematics

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010Hub 02

Significant figures

significant-figures

Measurement and Chemical Mathematics

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011Hub 02

Scientific notation

scientific-notation

Measurement and Chemical Mathematics

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012Hub 02

Dimensional analysis

dimensional-analysis

Measurement and Chemical Mathematics

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013Hub 02

Density and temperature

density-and-temperature

Measurement and Chemical Mathematics

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014Hub 02

Percent and ratio methods

percent-and-ratio-methods

Measurement and Chemical Mathematics

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015Hub 02

Graphs, logarithms, and proportional reasoning

graphs-logarithms-and-proportional-reasoning

Measurement and Chemical Mathematics

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016Hub 03

Particle models of states

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Matter, Properties, and Separation

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017Hub 03

Elements, compounds, and mixtures

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Matter, Properties, and Separation

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018Hub 03

Homogeneous and heterogeneous matter

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Matter, Properties, and Separation

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019Hub 03

Physical and chemical properties

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Matter, Properties, and Separation

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020Hub 03

Intensive and extensive properties

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Matter, Properties, and Separation

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021Hub 03

Physical and chemical change

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Matter, Properties, and Separation

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022Hub 03

Phase changes and heating curves

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Matter, Properties, and Separation

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023Hub 03

Filtration and centrifugation

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Matter, Properties, and Separation

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024Hub 03

Distillation, chromatography, and crystallization

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Matter, Properties, and Separation

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025Hub 04

Dalton and early atomic theory

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Atomic Theory and Quantum Structure

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026Hub 04

Electron discovery

electron-discovery

Atomic Theory and Quantum Structure

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027Hub 04

Nuclear atom

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Atomic Theory and Quantum Structure

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028Hub 04

Protons, neutrons, isotopes, and ions

protons-neutrons-isotopes-and-ions

Atomic Theory and Quantum Structure

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029Hub 04

Mass spectrometry and abundance

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Atomic Theory and Quantum Structure

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030Hub 04

Electromagnetic radiation

electromagnetic-radiation

Atomic Theory and Quantum Structure

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031Hub 04

Photons and photoelectric effect

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Atomic Theory and Quantum Structure

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032Hub 04

Bohr model and spectra

bohr-model-and-spectra

Atomic Theory and Quantum Structure

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033Hub 04

Wave–particle duality

wave-particle-duality

Atomic Theory and Quantum Structure

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034Hub 04

Orbitals and quantum numbers

orbitals-and-quantum-numbers

Atomic Theory and Quantum Structure

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035Hub 04

Aufbau, Pauli, and Hund

aufbau-pauli-and-hund

Atomic Theory and Quantum Structure

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036Hub 04

Configurations and exceptions

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Atomic Theory and Quantum Structure

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037Hub 05

Development of the table

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Periodic Table and Periodicity

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038Hub 05

Modern periodic law

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Periodic Table and Periodicity

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039Hub 05

Groups, periods, and blocks

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Periodic Table and Periodicity

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040Hub 05

Valence patterns

valence-patterns

Periodic Table and Periodicity

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041Hub 05

Effective nuclear charge

effective-nuclear-charge

Periodic Table and Periodicity

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042Hub 05

Atomic and ionic radius

atomic-and-ionic-radius

Periodic Table and Periodicity

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043Hub 05

Ionization energy

ionization-energy

Periodic Table and Periodicity

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044Hub 05

Electron affinity

electron-affinity

Periodic Table and Periodicity

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045Hub 05

Electronegativity

electronegativity

Periodic Table and Periodicity

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046Hub 05

Metallic character

metallic-character

Periodic Table and Periodicity

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047Hub 05

Oxidation states

oxidation-states

Periodic Table and Periodicity

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048Hub 05

Trend exceptions

trend-exceptions

Periodic Table and Periodicity

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049Hub 05

Lanthanoids, actinoids, and superheavy elements

lanthanoids-actinoids-and-superheavy-elements

Periodic Table and Periodicity

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050Hub 06

Atoms, molecules, formula units, and ions

atoms-molecules-formula-units-and-ions

Formulas, Compounds, and Nomenclature

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051Hub 06

Empirical, molecular, and structural formulas

empirical-molecular-and-structural-formulas

Formulas, Compounds, and Nomenclature

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052Hub 06

Monatomic and polyatomic ions

monatomic-and-polyatomic-ions

Formulas, Compounds, and Nomenclature

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053Hub 06

Ionic nomenclature

ionic-nomenclature

Formulas, Compounds, and Nomenclature

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054Hub 06

Stock naming

stock-naming

Formulas, Compounds, and Nomenclature

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055Hub 06

Molecular nomenclature

molecular-nomenclature

Formulas, Compounds, and Nomenclature

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056Hub 06

Acids, bases, hydrates, and solvates

acids-bases-hydrates-and-solvates

Formulas, Compounds, and Nomenclature

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057Hub 06

Formula writing

formula-writing

Formulas, Compounds, and Nomenclature

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058Hub 06

Oxidation numbers

oxidation-numbers

Formulas, Compounds, and Nomenclature

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059Hub 07

Why bonds form

why-bonds-form

Chemical Bonding

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060Hub 07

Ionic bonding and lattice energy

ionic-bonding-and-lattice-energy

Chemical Bonding

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061Hub 07

Covalent bonding

covalent-bonding

Chemical Bonding

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062Hub 07

Metallic bonding

metallic-bonding

Chemical Bonding

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063Hub 07

Lewis structures

lewis-structures

Chemical Bonding

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064Hub 07

Formal charge

formal-charge

Chemical Bonding

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065Hub 07

Resonance

resonance

Chemical Bonding

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066Hub 07

Octet exceptions

octet-exceptions

Chemical Bonding

/learn/chemical-bonding/octet-exceptions/

067Hub 07

Bond length, strength, and order

bond-length-strength-and-order

Chemical Bonding

/learn/chemical-bonding/bond-length-strength-and-order/

068Hub 07

Bond enthalpy

bond-enthalpy

Chemical Bonding

/learn/chemical-bonding/bond-enthalpy/

069Hub 07

Bond polarity

bond-polarity

Chemical Bonding

/learn/chemical-bonding/bond-polarity/

070Hub 08

VSEPR

vsepr

Molecular Shape and Intermolecular Forces

/learn/molecular-shape-and-intermolecular-forces/vsepr/

071Hub 08

Electron-domain and molecular geometry

electron-domain-and-molecular-geometry

Molecular Shape and Intermolecular Forces

/learn/molecular-shape-and-intermolecular-forces/electron-domain-and-molecular-geometry/

072Hub 08

Lone-pair distortions

lone-pair-distortions

Molecular Shape and Intermolecular Forces

/learn/molecular-shape-and-intermolecular-forces/lone-pair-distortions/

073Hub 08

Molecular polarity

molecular-polarity

Molecular Shape and Intermolecular Forces

/learn/molecular-shape-and-intermolecular-forces/molecular-polarity/

074Hub 08

Hybridization

hybridization

Molecular Shape and Intermolecular Forces

/learn/molecular-shape-and-intermolecular-forces/hybridization/

075Hub 08

Sigma and pi bonds

sigma-and-pi-bonds

Molecular Shape and Intermolecular Forces

/learn/molecular-shape-and-intermolecular-forces/sigma-and-pi-bonds/

076Hub 08

Molecular-orbital foundations

molecular-orbital-foundations

Molecular Shape and Intermolecular Forces

/learn/molecular-shape-and-intermolecular-forces/molecular-orbital-foundations/

077Hub 08

London forces

london-forces

Molecular Shape and Intermolecular Forces

/learn/molecular-shape-and-intermolecular-forces/london-forces/

078Hub 08

Dipole interactions

dipole-interactions

Molecular Shape and Intermolecular Forces

/learn/molecular-shape-and-intermolecular-forces/dipole-interactions/

079Hub 08

Hydrogen bonding

hydrogen-bonding

Molecular Shape and Intermolecular Forces

/learn/molecular-shape-and-intermolecular-forces/hydrogen-bonding/

080Hub 08

Ion–dipole interactions

ion-dipole-interactions

Molecular Shape and Intermolecular Forces

/learn/molecular-shape-and-intermolecular-forces/ion-dipole-interactions/

081Hub 08

Structure–property prediction

structure-property-prediction

Molecular Shape and Intermolecular Forces

/learn/molecular-shape-and-intermolecular-forces/structure-property-prediction/

082Hub 09

Mole and Avogadro constant

mole-and-avogadro-constant

Mole Concept and Stoichiometry

/learn/mole-concept-and-stoichiometry/mole-and-avogadro-constant/

083Hub 09

Molar mass

molar-mass

Mole Concept and Stoichiometry

/learn/mole-concept-and-stoichiometry/molar-mass/

084Hub 09

Mass–mole–particle conversion

mass-mole-particle-conversion

Mole Concept and Stoichiometry

/learn/mole-concept-and-stoichiometry/mass-mole-particle-conversion/

085Hub 09

Percent composition

percent-composition

Mole Concept and Stoichiometry

/learn/mole-concept-and-stoichiometry/percent-composition/

086Hub 09

Empirical and molecular formulas

empirical-and-molecular-formulas

Mole Concept and Stoichiometry

/learn/mole-concept-and-stoichiometry/empirical-and-molecular-formulas/

087Hub 09

Balancing equations

balancing-equations

Mole Concept and Stoichiometry

/learn/mole-concept-and-stoichiometry/balancing-equations/

088Hub 09

Mole ratios

mole-ratios

Mole Concept and Stoichiometry

/learn/mole-concept-and-stoichiometry/mole-ratios/

089Hub 09

Mass stoichiometry

mass-stoichiometry

Mole Concept and Stoichiometry

/learn/mole-concept-and-stoichiometry/mass-stoichiometry/

090Hub 09

Limiting reactant

limiting-reactant

Mole Concept and Stoichiometry

/learn/mole-concept-and-stoichiometry/limiting-reactant/

091Hub 09

Theoretical and percent yield

theoretical-and-percent-yield

Mole Concept and Stoichiometry

/learn/mole-concept-and-stoichiometry/theoretical-and-percent-yield/

092Hub 09

Solution stoichiometry

solution-stoichiometry

Mole Concept and Stoichiometry

/learn/mole-concept-and-stoichiometry/solution-stoichiometry/

093Hub 09

Combustion analysis

combustion-analysis

Mole Concept and Stoichiometry

/learn/mole-concept-and-stoichiometry/combustion-analysis/

094Hub 10

Reaction evidence and equations

reaction-evidence-and-equations

Chemical Reactions and Aqueous Chemistry

/learn/chemical-reactions-and-aqueous-chemistry/reaction-evidence-and-equations/

095Hub 10

Synthesis and decomposition

synthesis-and-decomposition

Chemical Reactions and Aqueous Chemistry

/learn/chemical-reactions-and-aqueous-chemistry/synthesis-and-decomposition/

096Hub 10

Replacement and combustion

replacement-and-combustion

Chemical Reactions and Aqueous Chemistry

/learn/chemical-reactions-and-aqueous-chemistry/replacement-and-combustion/

097Hub 10

Electrolytes

electrolytes

Chemical Reactions and Aqueous Chemistry

/learn/chemical-reactions-and-aqueous-chemistry/electrolytes/

098Hub 10

Dissociation and ionization

dissociation-and-ionization

Chemical Reactions and Aqueous Chemistry

/learn/chemical-reactions-and-aqueous-chemistry/dissociation-and-ionization/

099Hub 10

Precipitation

precipitation

Chemical Reactions and Aqueous Chemistry

/learn/chemical-reactions-and-aqueous-chemistry/precipitation/

100Hub 10

Complete and net ionic equations

complete-and-net-ionic-equations

Chemical Reactions and Aqueous Chemistry

/learn/chemical-reactions-and-aqueous-chemistry/complete-and-net-ionic-equations/

101Hub 10

Neutralization

neutralization

Chemical Reactions and Aqueous Chemistry

/learn/chemical-reactions-and-aqueous-chemistry/neutralization/

102Hub 10

Gas-forming reactions

gas-forming-reactions

Chemical Reactions and Aqueous Chemistry

/learn/chemical-reactions-and-aqueous-chemistry/gas-forming-reactions/

103Hub 10

Oxidation and reduction

oxidation-and-reduction

Chemical Reactions and Aqueous Chemistry

/learn/chemical-reactions-and-aqueous-chemistry/oxidation-and-reduction/

104Hub 10

Redox balancing

redox-balancing

Chemical Reactions and Aqueous Chemistry

/learn/chemical-reactions-and-aqueous-chemistry/redox-balancing/

105Hub 10

Limits of reaction prediction

limits-of-reaction-prediction

Chemical Reactions and Aqueous Chemistry

/learn/chemical-reactions-and-aqueous-chemistry/limits-of-reaction-prediction/

106Hub 11

Pressure and manometers

pressure-and-manometers

Gases

/learn/gases/pressure-and-manometers/

107Hub 11

Boyle, Charles, and Avogadro relationships

boyle-charles-and-avogadro-relationships

Gases

/learn/gases/boyle-charles-and-avogadro-relationships/

108Hub 11

Combined and ideal gas laws

combined-and-ideal-gas-laws

Gases

/learn/gases/combined-and-ideal-gas-laws/

109Hub 11

Gas stoichiometry

gas-stoichiometry

Gases

/learn/gases/gas-stoichiometry/

110Hub 11

Partial pressures

partial-pressures

Gases

/learn/gases/partial-pressures/

111Hub 11

Kinetic molecular theory

kinetic-molecular-theory

Gases

/learn/gases/kinetic-molecular-theory/

112Hub 11

Speed distributions

speed-distributions

Gases

/learn/gases/speed-distributions/

113Hub 11

Effusion and diffusion

effusion-and-diffusion

Gases

/learn/gases/effusion-and-diffusion/

114Hub 11

Real gases

real-gases

Gases

/learn/gases/real-gases/

115Hub 11

van der Waals equation

van-der-waals-equation

Gases

/learn/gases/van-der-waals-equation/

116Hub 11

Gas collection over water

gas-collection-over-water

Gases

/learn/gases/gas-collection-over-water/

117Hub 12

Liquid structure

liquid-structure

Liquids, Solids, and Materials

/learn/liquids-solids-and-materials/liquid-structure/

118Hub 12

Viscosity and surface tension

viscosity-and-surface-tension

Liquids, Solids, and Materials

/learn/liquids-solids-and-materials/viscosity-and-surface-tension/

119Hub 12

Vapor pressure and boiling

vapor-pressure-and-boiling

Liquids, Solids, and Materials

/learn/liquids-solids-and-materials/vapor-pressure-and-boiling/

120Hub 12

Phase diagrams

phase-diagrams

Liquids, Solids, and Materials

/learn/liquids-solids-and-materials/phase-diagrams/

121Hub 12

Crystalline and amorphous solids

crystalline-and-amorphous-solids

Liquids, Solids, and Materials

/learn/liquids-solids-and-materials/crystalline-and-amorphous-solids/

122Hub 12

Unit cells

unit-cells

Liquids, Solids, and Materials

/learn/liquids-solids-and-materials/unit-cells/

123Hub 12

Types of solids

types-of-solids

Liquids, Solids, and Materials

/learn/liquids-solids-and-materials/types-of-solids/

124Hub 12

Crystal defects

crystal-defects

Liquids, Solids, and Materials

/learn/liquids-solids-and-materials/crystal-defects/

125Hub 12

Semiconductors

semiconductors

Liquids, Solids, and Materials

/learn/liquids-solids-and-materials/semiconductors/

126Hub 12

Polymers and composites

polymers-and-composites

Liquids, Solids, and Materials

/learn/liquids-solids-and-materials/polymers-and-composites/

127Hub 12

Nanomaterials

nanomaterials

Liquids, Solids, and Materials

/learn/liquids-solids-and-materials/nanomaterials/

128Hub 13

Dissolution and hydration

dissolution-and-hydration

Solutions and Colligative Properties

/learn/solutions-and-colligative-properties/dissolution-and-hydration/

129Hub 13

Solubility and saturation

solubility-and-saturation

Solutions and Colligative Properties

/learn/solutions-and-colligative-properties/solubility-and-saturation/

130Hub 13

Concentration units

concentration-units

Solutions and Colligative Properties

/learn/solutions-and-colligative-properties/concentration-units/

131Hub 13

Dilution

dilution

Solutions and Colligative Properties

/learn/solutions-and-colligative-properties/dilution/

132Hub 13

Henry law

henry-law

Solutions and Colligative Properties

/learn/solutions-and-colligative-properties/henry-law/

133Hub 13

Raoult law

raoult-law

Solutions and Colligative Properties

/learn/solutions-and-colligative-properties/raoult-law/

134Hub 13

Boiling-point elevation

boiling-point-elevation

Solutions and Colligative Properties

/learn/solutions-and-colligative-properties/boiling-point-elevation/

135Hub 13

Freezing-point depression

freezing-point-depression

Solutions and Colligative Properties

/learn/solutions-and-colligative-properties/freezing-point-depression/

136Hub 13

Osmotic pressure

osmotic-pressure

Solutions and Colligative Properties

/learn/solutions-and-colligative-properties/osmotic-pressure/

137Hub 13

van't Hoff factor

van-t-hoff-factor

Solutions and Colligative Properties

/learn/solutions-and-colligative-properties/van-t-hoff-factor/

138Hub 13

Colloids

colloids

Solutions and Colligative Properties

/learn/solutions-and-colligative-properties/colloids/

139Hub 13

Solution preparation

solution-preparation

Solutions and Colligative Properties

/learn/solutions-and-colligative-properties/solution-preparation/

140Hub 14

System and surroundings

system-and-surroundings

Thermochemistry

/learn/thermochemistry/system-and-surroundings/

141Hub 14

Heat, work, and signs

heat-work-and-signs

Thermochemistry

/learn/thermochemistry/heat-work-and-signs/

142Hub 14

State functions

state-functions

Thermochemistry

/learn/thermochemistry/state-functions/

143Hub 14

Heat capacity

heat-capacity

Thermochemistry

/learn/thermochemistry/heat-capacity/

144Hub 14

Calorimetry

calorimetry

Thermochemistry

/learn/thermochemistry/calorimetry/

145Hub 14

Enthalpy

enthalpy

Thermochemistry

/learn/thermochemistry/enthalpy/

146Hub 14

Thermochemical equations

thermochemical-equations

Thermochemistry

/learn/thermochemistry/thermochemical-equations/

147Hub 14

Hess law

hess-law

Thermochemistry

/learn/thermochemistry/hess-law/

148Hub 14

Formation enthalpy

formation-enthalpy

Thermochemistry

/learn/thermochemistry/formation-enthalpy/

149Hub 14

Reaction enthalpy

reaction-enthalpy

Thermochemistry

/learn/thermochemistry/reaction-enthalpy/

150Hub 14

Bond-energy estimates

bond-energy-estimates

Thermochemistry

/learn/thermochemistry/bond-energy-estimates/

151Hub 14

Phase-change enthalpy

phase-change-enthalpy

Thermochemistry

/learn/thermochemistry/phase-change-enthalpy/

152Hub 15

Spontaneity

spontaneity

Chemical Thermodynamics

/learn/chemical-thermodynamics/spontaneity/

153Hub 15

Microstates and entropy

microstates-and-entropy

Chemical Thermodynamics

/learn/chemical-thermodynamics/microstates-and-entropy/

154Hub 15

Second law

second-law

Chemical Thermodynamics

/learn/chemical-thermodynamics/second-law/

155Hub 15

Entropy change

entropy-change

Chemical Thermodynamics

/learn/chemical-thermodynamics/entropy-change/

156Hub 15

Third law

third-law

Chemical Thermodynamics

/learn/chemical-thermodynamics/third-law/

157Hub 15

Gibbs energy

gibbs-energy

Chemical Thermodynamics

/learn/chemical-thermodynamics/gibbs-energy/

158Hub 15

Temperature dependence

temperature-dependence

Chemical Thermodynamics

/learn/chemical-thermodynamics/temperature-dependence/

159Hub 15

Formation free energies

formation-free-energies

Chemical Thermodynamics

/learn/chemical-thermodynamics/formation-free-energies/

160Hub 15

Free energy and reaction quotient

free-energy-and-reaction-quotient

Chemical Thermodynamics

/learn/chemical-thermodynamics/free-energy-and-reaction-quotient/

161Hub 15

Free energy and equilibrium

free-energy-and-equilibrium

Chemical Thermodynamics

/learn/chemical-thermodynamics/free-energy-and-equilibrium/

162Hub 15

Coupled processes

coupled-processes

Chemical Thermodynamics

/learn/chemical-thermodynamics/coupled-processes/

163Hub 15

Thermodynamic versus kinetic control

thermodynamic-versus-kinetic-control

Chemical Thermodynamics

/learn/chemical-thermodynamics/thermodynamic-versus-kinetic-control/

164Hub 16

Rate definitions

rate-definitions

Chemical Kinetics

/learn/chemical-kinetics/rate-definitions/

165Hub 16

Rate laws and order

rate-laws-and-order

Chemical Kinetics

/learn/chemical-kinetics/rate-laws-and-order/

166Hub 16

Initial-rates method

initial-rates-method

Chemical Kinetics

/learn/chemical-kinetics/initial-rates-method/

167Hub 16

Integrated rate laws

integrated-rate-laws

Chemical Kinetics

/learn/chemical-kinetics/integrated-rate-laws/

168Hub 16

Half-life

half-life

Chemical Kinetics

/learn/chemical-kinetics/half-life/

169Hub 16

Arrhenius equation

arrhenius-equation

Chemical Kinetics

/learn/chemical-kinetics/arrhenius-equation/

170Hub 16

Collision theory

collision-theory

Chemical Kinetics

/learn/chemical-kinetics/collision-theory/

171Hub 16

Transition state

transition-state

Chemical Kinetics

/learn/chemical-kinetics/transition-state/

172Hub 16

Mechanisms

mechanisms

Chemical Kinetics

/learn/chemical-kinetics/mechanisms/

173Hub 16

Elementary steps

elementary-steps

Chemical Kinetics

/learn/chemical-kinetics/elementary-steps/

174Hub 16

Steady-state ideas

steady-state-ideas

Chemical Kinetics

/learn/chemical-kinetics/steady-state-ideas/

175Hub 16

Catalysis

catalysis

Chemical Kinetics

/learn/chemical-kinetics/catalysis/

176Hub 16

Model checking

model-checking

Chemical Kinetics

/learn/chemical-kinetics/model-checking/

177Hub 17

Dynamic equilibrium

dynamic-equilibrium

Chemical Equilibrium

/learn/chemical-equilibrium/dynamic-equilibrium/

178Hub 17

Law of mass action

law-of-mass-action

Chemical Equilibrium

/learn/chemical-equilibrium/law-of-mass-action/

179Hub 17

Kc and Kp

kc-and-kp

Chemical Equilibrium

/learn/chemical-equilibrium/kc-and-kp/

180Hub 17

Heterogeneous equilibrium

heterogeneous-equilibrium

Chemical Equilibrium

/learn/chemical-equilibrium/heterogeneous-equilibrium/

181Hub 17

Reaction quotient

reaction-quotient

Chemical Equilibrium

/learn/chemical-equilibrium/reaction-quotient/

182Hub 17

Comparing Q and K

comparing-q-and-k

Chemical Equilibrium

/learn/chemical-equilibrium/comparing-q-and-k/

183Hub 17

Manipulating equations

manipulating-equations

Chemical Equilibrium

/learn/chemical-equilibrium/manipulating-equations/

184Hub 17

ICE tables

ice-tables

Chemical Equilibrium

/learn/chemical-equilibrium/ice-tables/

185Hub 17

Approximation and validation

approximation-and-validation

Chemical Equilibrium

/learn/chemical-equilibrium/approximation-and-validation/

186Hub 17

Le Châtelier principle

le-cha-telier-principle

Chemical Equilibrium

/learn/chemical-equilibrium/le-cha-telier-principle/

187Hub 17

Temperature and equilibrium

temperature-and-equilibrium

Chemical Equilibrium

/learn/chemical-equilibrium/temperature-and-equilibrium/

188Hub 17

Pressure and volume

pressure-and-volume

Chemical Equilibrium

/learn/chemical-equilibrium/pressure-and-volume/

189Hub 17

Catalysts

catalysts

Chemical Equilibrium

/learn/chemical-equilibrium/catalysts/

190Hub 18

Arrhenius, Brønsted–Lowry, and Lewis

arrhenius-br-nsted-lowry-and-lewis

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/arrhenius-br-nsted-lowry-and-lewis/

191Hub 18

Conjugate pairs

conjugate-pairs

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/conjugate-pairs/

192Hub 18

Kw, pH, and pOH

kw-ph-and-poh

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/kw-ph-and-poh/

193Hub 18

Strong acids and bases

strong-acids-and-bases

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/strong-acids-and-bases/

194Hub 18

Weak acids and bases

weak-acids-and-bases

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/weak-acids-and-bases/

195Hub 18

Percent ionization

percent-ionization

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/percent-ionization/

196Hub 18

Polyprotic acids

polyprotic-acids

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/polyprotic-acids/

197Hub 18

Salt hydrolysis

salt-hydrolysis

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/salt-hydrolysis/

198Hub 18

Buffers

buffers

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/buffers/

199Hub 18

Buffer capacity

buffer-capacity

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/buffer-capacity/

200Hub 18

Titration curves

titration-curves

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/titration-curves/

201Hub 18

Indicators

indicators

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/indicators/

202Hub 18

Ksp and solubility

ksp-and-solubility

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/ksp-and-solubility/

203Hub 18

Common-ion effect

common-ion-effect

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/common-ion-effect/

204Hub 18

Selective precipitation

selective-precipitation

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/selective-precipitation/

205Hub 18

Complex-ion effects

complex-ion-effects

Acids, Bases, Buffers, and Solubility

/learn/acids-bases-buffers-and-solubility/complex-ion-effects/

206Hub 19

Redox review

redox-review

Electrochemistry

/learn/electrochemistry/redox-review/

207Hub 19

Half-reactions

half-reactions

Electrochemistry

/learn/electrochemistry/half-reactions/

208Hub 19

Galvanic cells

galvanic-cells

Electrochemistry

/learn/electrochemistry/galvanic-cells/

209Hub 19

Anode and cathode

anode-and-cathode

Electrochemistry

/learn/electrochemistry/anode-and-cathode/

210Hub 19

Cell notation

cell-notation

Electrochemistry

/learn/electrochemistry/cell-notation/

211Hub 19

Reduction potentials

reduction-potentials

Electrochemistry

/learn/electrochemistry/reduction-potentials/

212Hub 19

Cell potential

cell-potential

Electrochemistry

/learn/electrochemistry/cell-potential/

213Hub 19

Nernst equation

nernst-equation

Electrochemistry

/learn/electrochemistry/nernst-equation/

214Hub 19

Concentration cells

concentration-cells

Electrochemistry

/learn/electrochemistry/concentration-cells/

215Hub 19

Electrolysis

electrolysis

Electrochemistry

/learn/electrochemistry/electrolysis/

216Hub 19

Faraday laws

faraday-laws

Electrochemistry

/learn/electrochemistry/faraday-laws/

217Hub 19

Batteries and fuel cells

batteries-and-fuel-cells

Electrochemistry

/learn/electrochemistry/batteries-and-fuel-cells/

218Hub 19

Corrosion

corrosion

Electrochemistry

/learn/electrochemistry/corrosion/

219Hub 19

Electroplating

electroplating

Electrochemistry

/learn/electrochemistry/electroplating/

220Hub 20

Nuclide notation

nuclide-notation

Nuclear Chemistry

/learn/nuclear-chemistry/nuclide-notation/

221Hub 20

Nuclear stability

nuclear-stability

Nuclear Chemistry

/learn/nuclear-chemistry/nuclear-stability/

222Hub 20

Alpha, beta, positron, and gamma processes

alpha-beta-positron-and-gamma-processes

Nuclear Chemistry

/learn/nuclear-chemistry/alpha-beta-positron-and-gamma-processes/

223Hub 20

Electron capture

electron-capture

Nuclear Chemistry

/learn/nuclear-chemistry/electron-capture/

224Hub 20

Nuclear equations

nuclear-equations

Nuclear Chemistry

/learn/nuclear-chemistry/nuclear-equations/

225Hub 20

Decay law

decay-law

Nuclear Chemistry

/learn/nuclear-chemistry/decay-law/

226Hub 20

Half-life and activity

half-life-and-activity

Nuclear Chemistry

/learn/nuclear-chemistry/half-life-and-activity/

227Hub 20

Detection

detection

Nuclear Chemistry

/learn/nuclear-chemistry/detection/

228Hub 20

Mass defect and binding energy

mass-defect-and-binding-energy

Nuclear Chemistry

/learn/nuclear-chemistry/mass-defect-and-binding-energy/

229Hub 20

Fission

fission

Nuclear Chemistry

/learn/nuclear-chemistry/fission/

230Hub 20

Fusion

fusion

Nuclear Chemistry

/learn/nuclear-chemistry/fusion/

231Hub 20

Medical and analytical uses

medical-and-analytical-uses

Nuclear Chemistry

/learn/nuclear-chemistry/medical-and-analytical-uses/

232Hub 20

Dose and risk context

dose-and-risk-context

Nuclear Chemistry

/learn/nuclear-chemistry/dose-and-risk-context/

233Hub 20

Waste and stewardship

waste-and-stewardship

Nuclear Chemistry

/learn/nuclear-chemistry/waste-and-stewardship/

234Hub 21

s-block chemistry

s-block-chemistry

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/s-block-chemistry/

235Hub 21

p-block patterns

p-block-patterns

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/p-block-patterns/

236Hub 21

Transition-metal trends

transition-metal-trends

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/transition-metal-trends/

237Hub 21

Lanthanoid and actinoid chemistry

lanthanoid-and-actinoid-chemistry

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/lanthanoid-and-actinoid-chemistry/

238Hub 21

Coordination numbers

coordination-numbers

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/coordination-numbers/

239Hub 21

Ligands and denticity

ligands-and-denticity

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/ligands-and-denticity/

240Hub 21

Complex nomenclature

complex-nomenclature

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/complex-nomenclature/

241Hub 21

Isomerism

isomerism

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/isomerism/

242Hub 21

Crystal-field splitting

crystal-field-splitting

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/crystal-field-splitting/

243Hub 21

Color and spectrochemical series

color-and-spectrochemical-series

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/color-and-spectrochemical-series/

244Hub 21

Spin and magnetism

spin-and-magnetism

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/spin-and-magnetism/

245Hub 21

Stability and chelation

stability-and-chelation

Inorganic and Coordination Chemistry

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246Hub 21

Organometallic foundations

organometallic-foundations

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/organometallic-foundations/

247Hub 21

Bioinorganic chemistry

bioinorganic-chemistry

Inorganic and Coordination Chemistry

/learn/inorganic-and-coordination-chemistry/bioinorganic-chemistry/

248Hub 22

Structural representation

structural-representation

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/structural-representation/

249Hub 22

Alkanes, alkenes, and alkynes

alkanes-alkenes-and-alkynes

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/alkanes-alkenes-and-alkynes/

250Hub 22

Aromaticity

aromaticity

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/aromaticity/

251Hub 22

Halides, alcohols, ethers, and thiols

halides-alcohols-ethers-and-thiols

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/halides-alcohols-ethers-and-thiols/

252Hub 22

Carbonyl compounds

carbonyl-compounds

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/carbonyl-compounds/

253Hub 22

Carboxylic acids and derivatives

carboxylic-acids-and-derivatives

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/carboxylic-acids-and-derivatives/

254Hub 22

Amines and amides

amines-and-amides

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/amines-and-amides/

255Hub 22

Isomerism and stereochemistry

isomerism-and-stereochemistry

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/isomerism-and-stereochemistry/

256Hub 22

Conformation and chirality

conformation-and-chirality

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/conformation-and-chirality/

257Hub 22

Nucleophiles and electrophiles

nucleophiles-and-electrophiles

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/nucleophiles-and-electrophiles/

258Hub 22

Substitution and elimination

substitution-and-elimination

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/substitution-and-elimination/

259Hub 22

Addition and condensation

addition-and-condensation

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/addition-and-condensation/

260Hub 22

Organic redox

organic-redox

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/organic-redox/

261Hub 22

IR, NMR, and mass spectrometry

ir-nmr-and-mass-spectrometry

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/ir-nmr-and-mass-spectrometry/

262Hub 22

Polymers

polymers

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/polymers/

263Hub 22

Proteins

proteins

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/proteins/

264Hub 22

Carbohydrates

carbohydrates

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/carbohydrates/

265Hub 22

Lipids

lipids

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/lipids/

266Hub 22

Nucleic acids

nucleic-acids

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/nucleic-acids/

267Hub 22

Enzymes and ATP

enzymes-and-atp

Organic Chemistry and Biochemistry

/learn/organic-chemistry-and-biochemistry/enzymes-and-atp/

268Hub 23

ACS RAMP safety

acs-ramp-safety

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/acs-ramp-safety/

269Hub 23

GHS labels and SDS

ghs-labels-and-sds

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/ghs-labels-and-sds/

270Hub 23

Glassware and volumetric technique

glassware-and-volumetric-technique

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/glassware-and-volumetric-technique/

271Hub 23

Sampling

sampling

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/sampling/

272Hub 23

Calibration curves

calibration-curves

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/calibration-curves/

273Hub 23

Detection and quantitation

detection-and-quantitation

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/detection-and-quantitation/

274Hub 23

Gravimetry

gravimetry

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/gravimetry/

275Hub 23

Titrimetry

titrimetry

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/titrimetry/

276Hub 23

UV–visible and IR

uv-visible-and-ir

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/uv-visible-and-ir/

277Hub 23

NMR and mass spectrometry

nmr-and-mass-spectrometry

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/nmr-and-mass-spectrometry/

278Hub 23

Chromatography

chromatography

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/chromatography/

279Hub 23

Quality assurance

quality-assurance

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/quality-assurance/

280Hub 23

Atmospheric chemistry

atmospheric-chemistry

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/atmospheric-chemistry/

281Hub 23

Water chemistry

water-chemistry

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/water-chemistry/

282Hub 23

Soil and cycles

soil-and-cycles

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/soil-and-cycles/

283Hub 23

Toxicology

toxicology

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/toxicology/

284Hub 23

Industrial catalysis

industrial-catalysis

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/industrial-catalysis/

285Hub 23

Green chemistry

green-chemistry

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/green-chemistry/

286Hub 23

Research ethics and data integrity

research-ethics-and-data-integrity

Analytical, Environmental, Industrial, Green, and Laboratory Chemistry

/learn/applied-and-laboratory-chemistry/research-ethics-and-data-integrity/

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