The course

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Start here
Paper 1 (Core) or Paper 2 (Extended): 40 multiple-choice questions in 45 minutes, 30%. Paper 3 or 4 theory: 1 hour 15 minutes, 80 marks, 50%. Paper 5 or 6, practical: 40 marks, 20%.
Free: A tour of the chemistry course
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Section 1: Particles, atoms and bonding
About 9 of the 40 questions on our multiple-choice practice papers
Free: States of matter, atoms and isotopes Ionic, covalent and metallic bonding 52 questions
3
Section 2: Formulae, equations and moles
About 6 of the 40 questions on our multiple-choice practice papers
Free: Formulae, equations and relative masses Moles, masses, gas volumes and concentration 40 questions
4
Section 3: Electrochemistry and energy changes
About 7 of the 40 questions on our multiple-choice practice papers
Electrolysis and fuel cells Exothermic and endothermic reactions 37 questions
5
Section 4: Reactions, acids and salts
About 8 of the 40 questions on our multiple-choice practice papers
Rates, equilibrium and redox Acids, bases, oxides and salts 55 questions
6
Section 5: The Periodic Table, metals and the environment
About 6 of the 40 questions on our multiple-choice practice papers
The Periodic Table and its groups Metals, water, fertilisers and the air 85 questions
7
Section 6: Organic chemistry and analysis
About 4 of the 40 questions on our multiple-choice practice papers
Organic chemistry: fuels, families and polymers Experimental techniques and chemical analysis 60 questions