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This is the published topic structure for Cambridge Cambridge AS/A Level Chemistry 9701, 2025–2027. Topics map to the papers below, so a student entered for only some components never sees progress counted against papers they do not sit.
Every component Cambridge lists for 9701. Which ones a candidate sits depends on the route chosen.
The topics a teacher works through, in syllabus order.
Particles in the atom and atomic radius · Isotopes · Electrons, energy levels and atomic orbitals · Ionisation energy
Relative masses of atoms and molecules · The mole and the Avogadro constant · Formulas · Reacting masses and volumes (of solutions and gases)
Electronegativity and bonding · Ionic bonding · Metallic bonding · Covalent bonding and coordinate (dative covalent) bonding · Shapes of molecules · Intermolecular forces, electronegativity and bond properties · Dot-and-cross diagrams
The gaseous state: ideal and real gases and pV = nRT · Bonding and structure
Enthalpy change, ΔH · Hess’s law
Redox processes: electron transfer and changes in oxidation number (oxidation state)
Chemical equilibria: reversible reactions, dynamic equilibrium · Brønsted–Lowry theory of acids and bases
Rate of reaction · Effect of temperature on reaction rates and the concept of activation energy · Homogeneous and heterogeneous catalysts
Periodicity of physical properties of the elements in Period 3 · Periodicity of chemical properties of the elements in Period 3 · Chemical periodicity of other elements
Similarities and trends in the properties of the Group 2 metals, magnesium to barium, and their compounds
Physical properties of the Group 17 elements · The chemical properties of the halogen elements and the hydrogen halides · Some reactions of the halide ions · The reactions of chlorine
Nitrogen and sulfur
Formulas, functional groups and the naming of organic compounds · Characteristic organic reactions · Shapes of organic molecules; σ and π bonds · Isomerism: structural isomerism and stereoisomerism
Alkanes · Alkenes
Halogenoalkanes
Alcohols
Aldehydes and ketones
Carboxylic acids · Esters
Primary amines · Nitriles and hydroxynitriles
Addition polymerisation
Organic synthesis
Infrared spectroscopy · Mass spectrometry
Lattice energy and Born-Haber cycles · Enthalpies of solution and hydration · Entropy change, ΔS · Gibbs free energy change, ΔG
Electrolysis · Standard electrode potentials E , standard cell potentials Ecell and the Nernst equation
Acids and bases · Partition coefficients
Simple rate equations, orders of reaction and rate constants · Homogeneous and heterogeneous catalysts
Similarities and trends in the properties of the Group 2 metals, magnesium to barium, and their compounds
General physical and chemical properties of the first row of transition elements, titanium to copper · General characteristic chemical properties of the first set of transition elements, titanium to copper · Colour of complexes · Stereoisomerism in transition element complexes · Stability constants, Kstab
Formulas, functional groups and the naming of organic compounds · Characteristic organic reactions · Shapes of aromatic organic molecules; σ and π bonds · Isomerism: optical
Arenes
Halogen compounds
Alcohols · Phenol
Carboxylic acids · Esters · Acyl chlorides
Primary and secondary amines · Phenylamine and azo compounds · Amides · Amino acids
Condensation polymerisation · Predicting the type of polymerisation · Degradable polymers
Organic synthesis
Thin-layer chromatography · Gas / liquid chromatography · Carbon-13 NMR spectroscopy · Proton (1H) NMR spectroscopy
Source: Cambridge International Chemistry 9701 syllabus, 2025–2027. Extracted and checked against the published structure. Cambridge International is not affiliated with Fect and does not endorse it. All Cambridge courses.