A-level chemistry
Every chapter, the way mark schemes want it
Thirteen chapters of syllabus-accurate theory — free to start, with quizzes, simulations and AI-marked exams in the app.
Atomic structureSubshells, ionisation energies, mass spectrometryBonding & structureIonic, covalent, metallic · shapes of molecules · intermolecular forcesAmount of substanceMoles, gases, titrations, yieldEnergeticsEnthalpy changes, calorimetry, Hess's law, bond enthalpiesKineticsCollision theory, Maxwell–Boltzmann, rate equations, ArrheniusEquilibriaLe Chatelier, Kc and KpPREVIEWAcids, bases & bufferspH, Ka, titration curves, indicatorsPREVIEWRedox & electrochemistryOxidation states, half-equations, electrode potentialsPREVIEWOrganic chemistryMechanisms, functional groups, test-tube analysisPREVIEWPeriodicity & the groupsPeriod 3 trends, Group 2, Group 7PREVIEWThermodynamicsBorn–Haber cycles, entropy, Gibbs free energyPREVIEWTransition metalsComplexes, colour, catalysis, reactions of aqueous ionsPREVIEWAnalysis & spectroscopyIR, mass spectra, ¹H and ¹³C NMR, chromatography