AP Chemistry Practice Quizzes
Select a unit below to start practicing official College Board aligned multiple-choice questions. Master the concepts, check your work, and secure your 5.
Unit 1: Atomic Structure and Properties
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Topic 1.1: Mole Conversion Quiz
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Topic 1.2: Mass Spectrometry and Average Atomic Mass Quiz
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Topic 1.3: Empirical and Molecular Formula Quiz
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Topic 1.4: Mass Percent and Mixture Composition Quiz
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Topic 1.5: Electron Configuration Quiz
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Topic 1.6: Photoelectron Spectroscopy (PES) Quiz
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Topic 1.7: Periodic Trends Quiz
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Topic 1.8: Valence Electrons and Ionic Charge Quiz
Unit 2: Molecular and Ionic Compound Structure
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Topic 2.1: Types of Chemical Bonds Practice
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Topic 2.2: Intramolecular Forces & Potential Energy
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Topic 2.5: Lewis Structures & Diagrams Quiz
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Topic 2.6: Resonance & Formal Charge Calculations
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Topic 2.7: VSEPR Theory & Bond Hybridization Quiz
Unit 3: Intermolecular Forces and Properties
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Topic 3.1: Intermolecular Forces (IMFs) Practice Quiz
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Topic 3.4: Ideal Gas Law Calculations Practice
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Topic 3.7: Solutions, Molarity & Concentration Quiz
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Topic 3.13: Beer-Lambert Law & Spectroscopy Quiz
Unit 4: Chemical Reactions
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Topic 4.1: Introduction for Reactions Quiz
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Topic 4.2: Net Ionic Equations Quiz
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Topic 4.3: Representations of Reactions Quiz
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Topic 4.4: Physical and Chemical Changes Quiz
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Topic 4.5: Stoichiometry Quiz
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Topic 4.6: Introduction to Titration Quiz
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Topic 4.7: Types of Chemical Reactions Quiz
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Topic 4.8: Introduction to Acid-Base Reactions Quiz
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Topic 4.9: Oxidation-Reduction (Redox) Reactions Quiz
Unit 5: Kinetics
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Topic 5.1: Reaction Rates Quiz
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Topic 5.2: Introduction to Rate Law Quiz
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Topic 5.3: Concentration Changes Over Time Quiz
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Topic 5.4: Elementary Reactions Quiz
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Topic 5.5: Collision Model Quiz
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Topic 5.6: Reaction Energy Profile Quiz
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Topic 5.7: Introduction to Reaction Mechanisms Quiz
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Topic 5.8: Reaction Mechanism and Rate Law Quiz
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Topic 5.9: Steady-State Approximation Quiz
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Topic 5.10: Multistep Reaction Energy Profile Quiz
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Topic 5.11: Catalysis Quiz
Unit 6: Thermochemistry
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Topic 6.1: Endothermic and Exothermic Processes Quiz
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Topic 6.2: Energy Diagrams Quiz
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Topic 6.3: Heat Transfer and Thermal Equilibrium Quiz
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Topic 6.4: Heat Capacity and Calorimetry Quiz
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Topic 6.5: Energy of Phase Changes Quiz
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Topic 6.6: Introduction to Enthalpy of Reaction Quiz
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Topic 6.7: Bond Enthalpies Quiz
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Topic 6.8: Enthalpy of Formation Quiz
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Topic 6.9: Hess’s Law Quiz
Unit 8: Acids and Bases
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Topic 8.2: pH & pOH Calculations Quiz
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Topic 8.3: Weak Acid Equilibria (Ka) Practice
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Topic 8.5: Acid-Base Titrations Curves Quiz
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Topic 8.9: Henderson-Hasselbalch & Buffers Quiz