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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 notesBonding, Structure, and the Properties of Matter
Ionic, covalent and metallic bonding; giant structures; properties of materials; nanoparticles.
View notesQuantitative Chemistry
Conservation of mass, relative formula mass, moles, percentage yield, atom economy and concentration.
View notesChemical Changes
Reactivity series, displacement, extraction of metals, acids and salts, the pH scale, strong and weak acids, and electrolysis.
View notesEnergy Changes
Exothermic and endothermic reactions, bond energies, cells and fuel cells.
View notesThe Rate and Extent of Chemical Change
Rates of reaction, collision theory, catalysts, reversible reactions and Le Chatelier's principle.
View notesOrganic Chemistry
Crude oil, alkanes and fractional distillation, cracking, alkenes, alcohols, carboxylic acids and polymers.
View notesChemical Analysis
Pure substances and formulations, paper chromatography and Rf values, tests for gases and ions, and instrumental methods.
View notesChemistry of the Atmosphere
Earth's early atmosphere, greenhouse gases, climate change and air pollution.
View notesUsing Resources
Finite and renewable resources, potable water, life cycle assessment and the Haber process.
View notesRequired Practicals
Making salts, titration, electrolysis, temperature changes, rates of reaction, chromatography, identifying ions and water purification, plus the other practical techniques exams assess.
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