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Text-Based Cheatsheets
The whole AP Chemistry course on one page, plus one page per unit, reviewed every year. Made and checked by the Fiveable Content Team.
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AP Chemistry Cheatsheets
Download the text-based cheatsheet we write and review every year, or make a visual cheatsheet for any topic in the format you study best with.
AP Chemistry, unit by unit
What each unit's one-page cheatsheet covers. Open a unit to read the start of its sheet.
Unit 1: Atomic Structure and Properties
Moles, Molar Mass & Avogadro's Number · Periodic Trends & Effective Nuclear Charge · Mixtures vs. Pure Substances · Mass Spectra & Isotopic Abundance · Photoelectron Spectroscopy (PES) · Common Confusions & Test Strategies · Empirical Formula from Composition · Atomic Structure & Electron Configuration · Valence Electrons & Ionic Compounds
Unit 2: Compound Structure and Properties
Electronegativity & Bond Type · Potential Energy & Bond Strength · Metallic Bonding & Alloys · Lewis Structures & Resonance · VSEPR Theory & Molecular Geometry · Sigma & Pi Bonds · Ionic Solids & Crystal Structure · Polarity & Dipole Moments · Test-Solving Strategy
Unit 3: Properties of Substances and Mixtures
Intermolecular Forces: Strength & Structure · Solid Types & Properties · States of Matter: Particulate Model · Ideal Gas Law & Partial Pressures · Kinetic Molecular Theory · Real Gases & Solutions · Separation & Spectroscopy · Photon Energy & Beer-Lambert Law
Physical vs. Chemical Changes · Equation Forms & When to Use · Brønsted-Lowry Acid-Base Pairs · Balancing Redox with Half-Reactions · Titration: Equivalence Point & Endpoint · Oxidation Numbers & Redox Identification · Identifying Reaction Types · Stoichiometry: Mole Ratios & Calculations · Particulate-Level Representation
Endothermic vs. Exothermic · Heat Capacity & q = mcΔT · Calorimetry & Energy Conservation · Heat Transfer & Thermal Equilibrium · Phase Changes & Molar Enthalpy · Hess's Law & Reaction Sequences · Enthalpy of Reaction (ΔHrxn) · Bond Enthalpies · Enthalpy of Formation (ΔH°f)
Unit 9: Thermodynamics and Electrochemistry
Entropy: Dispersal of Matter & Energy · Dissolution & Coupled Reactions · Cell Potential, Free Energy & Nonstandard Conditions · Calculating ΔS° & Gibbs Free Energy · Electrochemical Cells: Galvanic vs. Electrolytic · Faraday's Law & Electrolysis · ΔH° and ΔS° Signs → Temperature Dependence · Kinetic Control & Thermodynamic Favorability · K, ΔG°, and Equilibrium
