OCR ChemistryAS, A-level and GCSE resources

A Level Chemistry A

OCR A Level Chemistry A H432

Modules 1–6 assessed through three written papers and the separate practical endorsement.

Past papersTextbook answersCourse map
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Past papersDirect public OCR question papers and mark schemesGrade boundariesRecent official OCR documentsData sheetsOCR Chemistry reference sheetsPractical activitiesOCR Chemistry A PAG overviewTextbook answersRitchie and Gent chapter answer files

Module map

Usual teaching year and paper allocation

Teaching order varies between centres. The year labels describe a common two-year sequence.

ModuleContentUsual teaching yearA Level H432 papers
Module 1Development of practical skills in chemistryYears 12 and 13
H432/01H432/02H432/03
Module 2Foundations in chemistryYear 12
H432/01H432/02H432/03
Module 3Periodic table and energyYear 12
H432/01H432/03
Module 4Core organic chemistryYear 12
H432/02H432/03
Module 5Physical chemistry and transition elementsYear 13
H432/01H432/03
Module 6Organic chemistry and analysisYear 13
H432/02H432/03