AP ChemistryAP

Stoichiometry, thermodynamics, kinetics, and more.

Practice

Timed and untimed modes with explanations.

Flashcards

Flip through key concepts and formulas.

Overview

AP Chemistry focuses on atomic structure, bonding, reactions, thermodynamics, kinetics, and equilibrium.

Why it matters

It builds quantitative reasoning and lab skills essential for chemistry, engineering, and health sciences.

Skills you’ll build

  • Stoichiometry
  • Modeling & representations
  • Data/graph analysis
  • Lab techniques

Topic Breakdown (Units)

Unit 1: Atomic Structure and Properties

  • Electron configuration
  • Periodic trends

Unit 2: Molecular & Ionic Compound Structure and Properties

  • Bonding
  • Geometry
  • IMFs

Unit 3: Intermolecular Forces and Properties

  • States of matter
  • Solutions

Unit 4: Chemical Reactions

  • Types of reactions
  • Net ionic equations

Unit 5: Kinetics

  • Rate laws
  • Mechanisms

Unit 6: Thermodynamics

  • Enthalpy
  • Entropy

Unit 7: Equilibrium

  • K expressions
  • Le Châtelier

Unit 8: Acids and Bases

  • pH
  • Buffers
  • Titrations

Unit 9: Applications of Thermodynamics

  • Electrochemistry
  • Free energy

Lessons & Notes

Unit 1: Atomic Structure and Properties

Describe atoms and periodic behavior.

  • Coulombic attraction
  • ionization energy

Unit 2: Molecular & Ionic Compound Structure and Properties

Predict structure and properties from bonding.

  • VSEPR
  • polarity
  • IMFs

Unit 3: Intermolecular Forces and Properties

Bulk properties emerge from molecular forces.

  • phase changes
  • solubility

Unit 4: Chemical Reactions

Represent and predict chemical changes.

  • redox
  • precipitation

Unit 5: Kinetics

Analyze factors affecting reaction rates.

  • rate constant
  • catalysts

Unit 6: Thermodynamics

Energy changes and spontaneity.

  • ΔH
  • ΔS

Unit 7: Equilibrium

Quantify and shift dynamic equilibria.

  • Kc/Kp
  • Q vs K

Unit 8: Acids and Bases

Proton transfer and solution behavior.

  • Ka/Kb
  • ICE tables

Unit 9: Applications of Thermodynamics

Connect energy, equilibrium, and work.

  • Galvanic cells
  • ΔG = −nFE°

Helpful Resources