AQA GCSE
Chemistry.
Written by Joe · Experienced examiner
Comprehensive revision notes for AQA GCSE Chemistry (8462) and Combined Science (Trilogy / Synergy). All ten topics across Paper 1 (C1–C5) and Paper 2 (C6–C10) are complete and free to use now, with Higher Tier and Triple-only content clearly labelled so you can revise efficiently for your tier.
All Topics & Practicals
C1–C5 are examined on Paper 1 and C6–C10 on Paper 2 — each card shows its paper. All 8 required practicals are collated on a single page.
Atomic Structure and the Periodic Table
Atoms, elements, compounds and mixtures; development of the atomic model; subatomic particles, isotopes and electronic structures; the periodic table, metals, non-metals and key groups.
View notes →Bonding, Structure, and the Properties of Matter
Ionic, covalent and metallic bonding; giant structures; properties of materials; nanoparticles.
View notes →Quantitative Chemistry
Conservation of mass, relative formula mass, moles, percentage yield, atom economy and concentration.
View notes →Chemical Changes
Reactivity series, displacement, extraction of metals, acids and salts, the pH scale, strong and weak acids, and electrolysis.
View notes →Energy Changes
Exothermic and endothermic reactions, bond energies, cells and fuel cells.
View notes →The Rate and Extent of Chemical Change
Rates of reaction, collision theory, catalysts, reversible reactions and Le Chatelier's principle.
View notes →Organic Chemistry
Crude oil, alkanes and fractional distillation, cracking, alkenes, alcohols, carboxylic acids and polymers.
View notes →Chemical Analysis
Pure substances and formulations, paper chromatography and Rf values, tests for gases and ions, and instrumental methods.
View notes →Chemistry of the Atmosphere
Earth's early atmosphere, greenhouse gases, climate change and air pollution.
View notes →Using Resources
Finite and renewable resources, potable water, life cycle assessment and the Haber process.
View notes →Required Practicals
Making salts, titration, electrolysis, temperature changes, rates of reaction, chromatography, identifying ions and water purification — plus the other practical techniques exams assess.
View notes →Considering A-Level?
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