AP Chemistry Course and Exam Description Effective Fall 2024

Topics Within Each Unit

Unit 1: Atomic Structure and Properties
  • 7-9% of the exam weight

  • Topics include moles, mass spectra, atomic structure, and periodic trends.

Unit 2: Compound Structure and Properties
  • 7-9% of the exam weight

  • Topics include bond types, intermolecular forces, and Lewis structures.

Unit 3: Properties of Substances and Mixtures
  • 18-22% of the exam weight

  • Topics include intermolecular forces, gas laws, and solutions.

Unit 4: Chemical Reactions
  • 7-9% of the exam weight

  • Topics include balanced chemical equations, stoichiometry, and types of reactions.

Unit 5: Kinetics
  • 7-9% of the exam weight

  • Topics include reaction rates, rate laws, and catalysis.

Unit 6: Thermochemistry
  • 7-9% of the exam weight

  • Topics include energy changes, calorimetry, and enthalpy.

Unit 7: Equilibrium
  • 7-9% of the exam weight

  • Topics include the equilibrium constant, Q and K relationships, and Le Châtelier's principle.

Unit 8: Acids and Bases
  • 11-15% of the exam weight

  • Topics include pH calculations, titrations, and buffer systems.

Unit 9: Thermodynamics and Electrochemistry
  • 7-9% of the exam weight

  • Topics include Gibbs free energy, cell potentials, and Faraday’s laws.

Conclusion

  • The AP Chemistry course and exam framework are constructed to provide a college-level chemistry education that emphasizes inquiry, reasoning, and scientific practices.

  • The successful completion of the AP course and exam can potentially offer college credit and preparedness for advanced studies in chemistry.