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Chemistry archive

Chemistry archinve

The chemistry archive contains legacy chemistry content, and is not being updated with new content. Exercises and mastery mechanics will be removed from the chemistry archive in July 2024. 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 ionsIons and compounds: Atoms, compounds, and ionsNames and formulas of ionic compounds: Atoms, compounds, and ions

Unit 2: Mass spectrometry

Mass spectrometry: Mass spectrometry

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: Electronic structure of atoms

History of atomic structure: Electronic structure of atomsBohr's model of the hydrogen atom: Electronic structure of atomsQuantum numbers and orbitals: Electronic structure of atoms
Electron configurations: Electronic structure of atoms

Unit 6: Periodic table

Introduction to the periodic table: Periodic tablePeriodic table trends: Periodic table

Unit 7: 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 8: 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 9: 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 10: Chemical equilibrium

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

Unit 11: Acids and bases

Acids, bases, and pH: Acids and basesAcid-base equilibria: Acids and bases

Unit 12: Buffers, titrations, and solubility equilibria

Buffer solutions: Buffers, titrations, and solubility equilibriaTitrations: Buffers, titrations, and solubility equilibriaSolubility equilibria: Buffers, titrations, and solubility equilibria

Unit 13: Thermodynamics

Internal energy: ThermodynamicsEnthalpy: ThermodynamicsGibbs free energy: Thermodynamics

Unit 14: 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 15: Kinetics

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

Unit 16: Studying for the AP Chemistry exam?

2015 AP Chemistry free response questions: Studying for the AP Chemistry exam?

Unit 17: Meet the chemistry professional

Meet the chemistry professional: Meet the chemistry professional