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Introductory chemistry

Every section, taught from the ground up.

Original lessons mapped to the section outline of Tro, Introductory Chemistry, 7th edition in SI units. Not the textbook, and not affiliated with the publisher. Work a section, then prove it with two checks.

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Continue 1.1 Sand and Water
  1. 1The Chemical WorldWhat chemistry studies, how chemists argue from evidence, and how to read data.0/5
  2. 2Measurement and Problem SolvingScientific notation, significant figures, SI units, conversions, and density.0/11
  3. 3Matter and EnergyStates, classification, physical and chemical change, and heat.0/12
  4. 4Atoms and ElementsAtomic structure, the periodic table, ions, isotopes, and atomic mass.0/9
  5. 5Molecules and CompoundsFormulas, ionic and molecular compounds, naming, and formula mass.0/11
  6. 6Chemical CompositionThe mole, molar mass, mass percent, and empirical formulas.0/9
  7. 7Chemical ReactionsEquations, solubility, precipitation, acids, and redox classification.0/10
  8. 8Quantities in Chemical ReactionsStoichiometry, limiting reactants, percent yield, and enthalpy.0/7
  9. 9Electrons in Atoms and the Periodic TableLight, orbitals, electron configurations, and periodic trends.0/9
  10. 10Chemical BondingLewis structures, shape, electronegativity, and polarity.0/8
  11. 11GasesKinetic theory, the gas laws, mixtures, and gas stoichiometry.0/10
  12. 12Liquids, Solids, and Intermolecular ForcesWhy molecules stick, change state, and form different solids.0/8
  13. 13SolutionsDissolving, concentration, dilution, colligative properties, and osmosis.0/10
  14. 14Acids and BasesDefinitions, strength, pH, titration, and buffers.0/10
  15. 15Chemical EquilibriumRates, K, Le Châtelier, solubility product, and catalysts.0/12
  16. 16Oxidation and ReductionOxidation states, half-reactions, batteries, electrolysis, and corrosion.0/8
  17. 17Radioactivity and Nuclear ChemistryNuclear decay, half-life, fission, fusion, and radiation in medicine.0/11
  18. 18Organic ChemistryCarbon frameworks, isomers, names, functional groups, and polymers.0/17
  19. 19BiochemistryCarbohydrates, lipids, proteins, and nucleic acids.0/8