Complete Exam Guide · 2027 edition

AQA GCSE Chemistry Revision Guide

84 topics across 10 units, with diagrams, exam tips, checklists and the mistakes that cost marks. The first topic in every unit is free to read — the full guide is coming soon.

1. Atomic Structure & The Periodic Table

  1. Atoms, Elements, Compounds & MixturesFree
  2. The Development of the Model of the AtomPart of the full Exam Guide
  3. Subatomic Particles, Isotopes & Relative Atomic MassPart of the full Exam Guide
  4. Electronic Structure & The Periodic TablePart of the full Exam Guide
  5. Metals, Non-metals & Group 0Part of the full Exam Guide
  6. Group 1 & Group 7Part of the full Exam Guide
  7. Transition Metals [Chemistry only]Part of the full Exam Guide
  8. Exam ChecklistPart of the full Exam Guide
  9. Common Exam MistakesPart of the full Exam Guide
  10. Exam Ready QuestionsPart of the full Exam Guide

2. Bonding, Structure & The Properties of Matter

  1. Chemical Bonds & Ionic BondingFree
  2. Covalent BondingPart of the full Exam Guide
  3. Metallic Bonding, Metals & AlloysPart of the full Exam Guide
  4. States of Matter & Properties of SubstancesPart of the full Exam Guide
  5. Structure & Bonding of CarbonPart of the full Exam Guide
  6. Nanoparticles [Chemistry only]Part of the full Exam Guide
  7. Exam ChecklistPart of the full Exam Guide
  8. Common Exam MistakesPart of the full Exam Guide
  9. Exam Ready QuestionsPart of the full Exam Guide

3. Quantitative Chemistry

  1. Conservation of Mass & Relative Formula MassFree
  2. Moles [Higher Tier]Part of the full Exam Guide
  3. Using Moles in Equations [Higher Tier]Part of the full Exam Guide
  4. Concentration of SolutionsPart of the full Exam Guide
  5. Percentage Yield & Atom Economy [Chemistry only]Part of the full Exam Guide
  6. Volumes of Gases [Chemistry only, Higher Tier]Part of the full Exam Guide
  7. Exam ChecklistPart of the full Exam Guide
  8. Common Exam MistakesPart of the full Exam Guide
  9. Exam Ready QuestionsPart of the full Exam Guide

4. Chemical Changes

  1. Metal Oxides & The Reactivity SeriesFree
  2. Extraction of Metals, Oxidation & ReductionPart of the full Exam Guide
  3. Reactions of Acids & Making SaltsPart of the full Exam Guide
  4. Required Practical 1: Making a Pure, Dry SaltPart of the full Exam Guide
  5. The pH Scale, Neutralisation & Strong/Weak AcidsPart of the full Exam Guide
  6. Titrations [Chemistry only]Part of the full Exam Guide
  7. ElectrolysisPart of the full Exam Guide
  8. Electrolysis of Aqueous SolutionsPart of the full Exam Guide
  9. Exam ChecklistPart of the full Exam Guide
  10. Common Exam MistakesPart of the full Exam Guide
  11. Exam Ready QuestionsPart of the full Exam Guide

5. Energy Changes

  1. Exothermic & Endothermic ReactionsFree
  2. Reaction Profiles & Bond EnergiesPart of the full Exam Guide
  3. Chemical Cells & Fuel Cells [Chemistry only]Part of the full Exam Guide
  4. Exam ChecklistPart of the full Exam Guide
  5. Common Exam MistakesPart of the full Exam Guide
  6. Exam Ready QuestionsPart of the full Exam Guide

6. The Rate & Extent of Chemical Change

  1. Calculating Rates of ReactionFree
  2. Factors Affecting Rate & Collision TheoryPart of the full Exam Guide
  3. Required Practical 5: Rates of ReactionPart of the full Exam Guide
  4. Reversible Reactions & EquilibriumPart of the full Exam Guide
  5. Changing Conditions at Equilibrium [Higher Tier]Part of the full Exam Guide
  6. Exam ChecklistPart of the full Exam Guide
  7. Common Exam MistakesPart of the full Exam Guide
  8. Exam Ready QuestionsPart of the full Exam Guide

7. Organic Chemistry

  1. Crude Oil, Hydrocarbons & AlkanesFree
  2. Fractional Distillation & Properties of HydrocarbonsPart of the full Exam Guide
  3. Cracking & AlkenesPart of the full Exam Guide
  4. Alkenes & Their Reactions [Chemistry only]Part of the full Exam Guide
  5. Alcohols & Carboxylic Acids [Chemistry only]Part of the full Exam Guide
  6. Polymers [Chemistry only]Part of the full Exam Guide
  7. Exam ChecklistPart of the full Exam Guide
  8. Common Exam MistakesPart of the full Exam Guide
  9. Exam Ready QuestionsPart of the full Exam Guide

8. Chemical Analysis

  1. Purity, Formulations & ChromatographyFree
  2. Identification of Common GasesPart of the full Exam Guide
  3. Identification of Ions [Chemistry only]Part of the full Exam Guide
  4. Required Practical 7 & Instrumental Methods [Chemistry only]Part of the full Exam Guide
  5. Exam ChecklistPart of the full Exam Guide
  6. Common Exam MistakesPart of the full Exam Guide
  7. Exam Ready QuestionsPart of the full Exam Guide

9. Chemistry of the Atmosphere

  1. Composition & Evolution of the AtmosphereFree
  2. Greenhouse Gases & Climate ChangePart of the full Exam Guide
  3. Atmospheric PollutantsPart of the full Exam Guide
  4. Exam ChecklistPart of the full Exam Guide
  5. Common Exam MistakesPart of the full Exam Guide
  6. Exam Ready QuestionsPart of the full Exam Guide

10. Using Resources

  1. Earth's Resources & Potable WaterFree
  2. Waste Water Treatment & Alternative Methods of Extracting MetalsPart of the full Exam Guide
  3. Life Cycle Assessment & RecyclingPart of the full Exam Guide
  4. Corrosion & Alloys [Chemistry only]Part of the full Exam Guide
  5. Ceramics, Polymers & Composites [Chemistry only]Part of the full Exam Guide
  6. The Haber Process & NPK Fertilisers [Chemistry only]Part of the full Exam Guide
  7. Exam ChecklistPart of the full Exam Guide
  8. Common Exam MistakesPart of the full Exam Guide
  9. Exam Ready QuestionsPart of the full Exam Guide