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GCSE Chemistry Revision

Free topic-by-topic GCSE Chemistry revision — key concepts, common mistakes and interactive games for every major topic.

Pick a topic to revise the core concepts, check the mistakes examiners look for, and practise with free games. No login required.

GCSE Chemistry topics

Atomic Structure & the Periodic TableAtoms, elements and compounds, the structure of the atom, and trends in the periodic table.Bonding, Structure & PropertiesIonic, covalent and metallic bonding, giant and simple structures, states of matter and material properties.Quantitative ChemistryThe mole, relative formula mass, balanced equations, conservation of mass and reacting-mass calculations.Chemical ChangesAcids and bases, the reactivity series, redox, electrolysis and the extraction of metals.Energy ChangesExothermic and endothermic reactions, reaction profiles and energy from bond breaking and making.Rates & EquilibriumWhat affects the rate of a reaction, collision theory and catalysts, and reversible reactions and equilibrium.Organic ChemistryHydrocarbons and crude oil, functional groups, polymers and the chemistry of fuels.Analysis & the AtmosphereTests for ions and gases, separating and identifying substances, the atmosphere, pollution and using resources.

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