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A topic-by-topic revision guide for AQA A-Level Chemistry (7405) analytical techniques — mass spectrometry, infrared spectroscopy, proton and carbon-13 NMR, chromatography (TLC + GC + HPLC), chemical tests for functional groups, combined-technique structural deduction, and quantitative analysis.

A topic-by-topic revision guide for the AQA A-Level Chemistry atomic structure section of the 7405 specification — subatomic particles, mass spectrometry, electron configuration, ionisation energies, the mole concept, empirical formulae, titration calculations, and the ideal gas equation.

A topic-by-topic revision guide for AQA A-Level Chemistry (7405) bonding — ionic, covalent and dative bonding, shapes of molecules (VSEPR), electronegativity and polarity, intermolecular forces, metallic and giant covalent structures, plus how physical properties reveal bonding type.

A topic-by-topic revision guide for AQA A-Level Chemistry (7405) energetics — enthalpy changes, calorimetry, bond enthalpies, Hess's law cycles, Born-Haber cycles, enthalpies of solution and hydration, entropy and Gibbs free energy. Anchors AQA Required Practical 2.

A complete exam-preparation guide for AQA A-Level Chemistry (7405): paper structure, assessment objectives, command words, the 12 required practicals, mark-scheme patterns, calculation mastery, and a two-year revision strategy backed by retrieval-practice and spaced-repetition principles.

A topic-by-topic revision guide for AQA A-Level Chemistry (7405) inorganic chemistry — periodicity across Period 3, Group 2 alkaline earth metals, Group 7 halogens, Period 3 oxides, transition metals, complex ions and ligands, ligand substitution, colour, aqueous-ion reactions, and transition-metal catalysis.

A topic-by-topic revision guide for AQA A-Level Chemistry (7405) kinetics and equilibrium — collision theory, rate equations and orders, the Arrhenius equation, rate-determining step, Le Chatelier's principle, the equilibrium constants Kc and Kp, plus the required practicals for rates and equilibria.

A topic-by-topic revision guide for AQA A-Level Chemistry (7405) organic chemistry advanced — aldehydes and ketones, carboxylic acids and derivatives (esters/amides), aromatic chemistry (Friedel-Crafts), amines, amino acids/proteins/DNA, condensation polymers, organic synthesis pathways, and asymmetric synthesis.

A topic-by-topic revision guide for AQA A-Level Chemistry (7405) organic chemistry foundations — IUPAC nomenclature, isomerism, optical isomerism, alkanes and free-radical substitution, alkenes and electrophilic addition, addition polymers, halogenoalkanes (SN1/SN2), alcohols, organic mechanisms, plus required practicals RP4/RP5/RP6.

A topic-by-topic revision guide for AQA A-Level Chemistry (7405) redox and electrochemistry — oxidation numbers and half-equations, standard electrode potentials and the SHE, electrochemical cells, EMF and feasibility, commercial cells and fuel cells, redox titrations, electrolysis and Faraday's laws.

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LearningBro now ships four AI features on every lesson page: AI Tutor chat, Examiner Mode for sentence-by-sentence essay marking, Cross-Subject Synoptic recap, and Voice mode. Here's what each does and when to reach for it.