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A-Level Chemistry Revision

Free topic-by-topic A-Level 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.

A-Level Chemistry topics

Atomic Structure & AmountsAtomic structure and mass spectrometry, the mole, and amount-of-substance calculations.Bonding & StructureIonic, covalent and metallic bonding, shapes of molecules, electronegativity and intermolecular forces.Energetics & ThermodynamicsEnthalpy changes, Hess's law, Born-Haber cycles, entropy and free energy.Kinetics & EquilibriaReaction rates and rate equations, dynamic equilibrium, Kc and Kp, and acid-base equilibria.Redox & ElectrochemistryOxidation states, redox equations, electrode potentials and electrochemical cells.Periodicity & InorganicPeriodic trends, Period 3 chemistry, the groups, and transition metal chemistry and complexes.Organic ChemistryFunctional groups and reaction mechanisms, isomerism, polymers and organic synthesis.Spectroscopy & AnalysisMass spectrometry, infrared and NMR spectroscopy, and chromatography.

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