Cambridge IGCSE Chemistry 0620 — Revision Notes & Past Papers
Free Cambridge IGCSE Chemistry 0620 Extended revision notes, worked examples, AI-marked practice questions and past papers — mapped to the full syllabus for the 2026 exam cohort.
What is Cambridge IGCSE Chemistry 0620?
Cambridge IGCSE Chemistry (0620) is Cambridge Assessment International Education's flagship IGCSE chemistry qualification. Offered at Core (grades C-G) and Extended (grades A*-E) tiers, it covers four broad topics: States of matter; Atoms, elements and compounds; Stoichiometry; and Chemical reactions, plus Acids, bases and salts, the Periodic Table, Metals, Chemistry of the environment, Organic chemistry, and Experimental techniques. Assessment is three externally examined papers including a practical-based paper, with no coursework.
Assessment (Extended)
- Paper 2 (45 min, 40 marks) — multiple choice
- Paper 4 (1h 15, 80 marks) — theory
- Paper 6 (1h, 40 marks) — alternative to practical
Tiers and topics
- Core (grades C-G) or Extended (grades A*-E)
- 12 topics including stoichiometry,
- organic chemistry, periodicity, metals
Grading
- A*-G grading (Core: C-G; Extended: A*-E)
- Grade C/4 = standard pass for universities
- Grade A*/A often required for A Level Chemistry
Source: Cambridge IGCSE Chemistry 0620 syllabus (Cambridge International)
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Cambridge IGCSE Chemistry 0620 Extended topics
All 13 topics in the Cambridge IGCSE Chemistry 0620 Extended syllabus — click any topic to open notes, videos and an AI-marked quiz.
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