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Chemistry archive

Chemistry archive

The chemistry archive contains legacy chemistry content, and is not being updated with new content. Exercises and mastery mechanics will soon be removed from the chemistry archive. For our most up-to-date, mastery-enabled courses, check out High School Chemistry and AP Chemistry!

Unit 1: Atoms, compounds, and ions

Introduction to the atom: Atoms, compounds, and ionsHistory of atomic structure: Atoms, compounds, and ionsBohr's model of the hydrogen atom: Atoms, compounds, and ionsQuantum numbers and orbitals: Atoms, compounds, and ionsElectron configurations: Atoms, compounds, and ions
Introduction to the periodic table: Atoms, compounds, and ionsPeriodic table trends: Atoms, compounds, and ionsIons and compounds: Atoms, compounds, and ionsNames and formulas of ionic compounds: Atoms, compounds, and ionsMass spectrometry: Atoms, compounds, and ions

Unit 2: Chemical bonds

Types of chemical bonds: Chemical bondsBond energy: Chemical bondsSolids: Chemical bonds
Dot structures and molecular geometry: Chemical bondsHybridization and hybrid orbitals: Chemical bonds

Unit 3: Chemical reactions and stoichiometry

Balancing chemical equations: Chemical reactions and stoichiometryStoichiometry: Chemical reactions and stoichiometryLimiting reagent stoichiometry: Chemical reactions and stoichiometry
Molecular composition: Chemical reactions and stoichiometryTypes of chemical reactions: Chemical reactions and stoichiometry

Unit 4: More about chemical reactions

Net ionic equations: More about chemical reactionsRepresentations of reactions: More about chemical reactionsPhysical and chemical changes: More about chemical reactions
More about stoichiometry: More about chemical reactions

Unit 5: Gases and kinetic molecular theory

Ideal gas equation: Gases and kinetic molecular theoryKinetic molecular theory: Gases and kinetic molecular theoryNon-ideal gas behavior: Gases and kinetic molecular theory

Unit 6: States of matter and intermolecular forces

States of matter: States of matter and intermolecular forcesIntroduction to intermolecular forces: States of matter and intermolecular forcesMixtures and solutions: States of matter and intermolecular forces
Separating mixtures and solutions: States of matter and intermolecular forces

Unit 7: Chemical equilibrium

Equilibrium constant: Chemical equilibriumFactors that affect chemical equilibrium: Chemical equilibrium

Unit 8: Acids, bases, and solutions

Acids, bases, and pH: Acids, bases, and solutionsAcid-base equilibria: Acids, bases, and solutionsBuffer solutions: Acids, bases, and solutions
Titrations: Acids, bases, and solutionsSolubility equilibria: Acids, bases, and solutions

Unit 9: Redox reactions and electrochemistry

Oxidation-reduction reactions: Redox reactions and electrochemistryGalvanic cells: Redox reactions and electrochemistryStandard cell potentials: Redox reactions and electrochemistry
Electrochemistry, thermodynamics, and equilibrium: Redox reactions and electrochemistryCell potentials under nonstandard conditions: Redox reactions and electrochemistryElectrolytic cells and electrolysis: Redox reactions and electrochemistry

Unit 10: Kinetics

Reaction rates and rate laws: KineticsRelationship between reaction concentrations and time: KineticsArrhenius equation and reaction mechanisms: Kinetics
Spectroscopy: Kinetics

Unit 11: Practice for AP Chemistry exam

2015 AP Chemistry free response questions: Practice for AP Chemistry exam