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LearnCambridge06202026–2028Papers 2, 4

Papers 2, 4

Extended

States of matter

Solids, liquids and gases · Diffusion2 subtopic lessons

Atoms, elements and compounds

Elements, compounds and mixtures · Atomic structure and isotopes · Ions and ionic bonding · Simple molecules and covalent bonds · Giant structures and metallic bonding5 subtopic lessons

Stoichiometry

Formulae and equations · Relative masses and the mole · Mole calculations3 subtopic lessons

Electrochemistry

Electrolysis · Electroplating and fuel cells2 subtopic lessons

Chemical energetics

Exothermic and endothermic reactions1 subtopic lessons

Chemical reactions

Rate of reaction · Reversible reactions and equilibrium · Redox3 subtopic lessons

Acids, bases and salts

Acids, bases and pH · Oxides · Preparation of salts3 subtopic lessons

The Periodic Table

Arrangement and periodic trends · Group I and group VII · Transition elements and noble gases3 subtopic lessons

Metals

Properties, uses and alloys · Reactivity series · Corrosion of metals · Extraction of metals4 subtopic lessons

Chemistry of the environment

Water · Fertilisers · Air quality and climate3 subtopic lessons

Organic chemistry

Formulae and homologous series · Fuels and alkanes · Alkenes · Alcohols and carboxylic acids · Polymers5 subtopic lessons

Experimental techniques and chemical analysis

Separation and purification · Chromatography · Tests for ions and gases3 subtopic lessons