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AP Chemistry

67 questions · 195 minutes on the real exam

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AP
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60s
Speed Round
60 seconds, as many questions as you can
FRQ
Free Response
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CR
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Quick review of key concepts
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FC
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Type definitions, scored 1-5
MT
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EX
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FB
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DX
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FE
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Exam structure

Total time: 3 hours 15 minutes

MCQSection I: Multiple Choice
60 Qs·90 min·50%

4 answer choices. Individual and set-based questions with data/diagrams described in text.

FRQSection II: Free Response
7 Qs·105 min·50%

3 long FRQ + 4 short FRQ.

Scoring

Scored 1–5. MCQ = 50%, FRQ = 50%.

Tips
  • 90 seconds per MCQ
  • Calculator allowed on entire exam
  • Periodic table and formula sheet provided

What's on this exam

Unit 1: Atomic Structure and Properties

8%
  • Atomic Structure
  • Electron Configuration
  • Periodic Trends

Unit 2: Molecular and Ionic Compounds

8%
  • Chemical Bonding
  • Lewis Structures
  • Molecular Geometry

Unit 3: Intermolecular Forces

20%
  • Intermolecular Forces
  • Properties of Matter
  • Solutions

Unit 4: Chemical Reactions

8%
  • Types of Reactions
  • Stoichiometry
  • Redox

Unit 5: Kinetics

8%
  • Reaction Rate
  • Reaction Mechanisms
  • Catalysis

Unit 6: Thermodynamics

8%
  • Enthalpy
  • Hess's Law
  • Bond Energy

Unit 7: Equilibrium

8%
  • Equilibrium Concepts
  • Le Chatelier's Principle
  • Solubility

Unit 8: Acids and Bases

13%
  • pH and pOH
  • Strong/Weak Acids & Bases
  • Buffers
  • Titrations

Unit 9: Applications of Thermodynamics

8%
  • Entropy
  • Gibbs Free Energy
  • Electrochemistry