GCSE Chemistry revision
Every topic in the course and where it sits in each board's specification. Choose your board for its own topic list, official links and summer 2027 exam dates.
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Taking Combined Science? Its papers are on the exam timetable page. Summer 2027 exam timetable
| Topic | AQA | Edexcel | OCR | Notes and tools |
|---|---|---|---|---|
| Atomic structure and the periodic table | 4.1 (8462); 5.1 (8464) | Topics 1, 2 and 6 | C1 and C2.1 | Atomic structure, isotopes and relative atomic massThe periodic table: groups 1, 7 and 0 Molar MassPeriodic Table |
| Bonding, structure and the properties of matter | 4.2 (8462); 5.2 (8464) | Topic 1 | C2.2 | Periodic Table |
| Quantitative chemistry and the mole | 4.3 (8462); 5.3 (8464) | Topics 1 and 5 | C3.1 | Relative formula mass, percentage by mass and moles Molar MassPeriodic Table |
| Chemical changes: reactivity, acids and electrolysis | 4.4 (8462); 5.4 (8464) | Topics 3 and 4 | C3.2 to C3.4 | Molar MassPeriodic Table |
| Energy changes | 4.5 (8462); 5.5 (8464) | Topic 7 (1CH0 Topic 9 for fuel cells) | C3.1 | |
| Rates of reaction and equilibrium | 4.6 (8462); 5.6 (8464) | Topics 4 and 7 | C5 | Rates of reaction and collision theory Reaction rates |
| Organic chemistry | 4.7 (8462); 5.7 (8464) | Topics 8 and 9 | C6.2 | Molar Mass |
| Chemical analysis | 4.8 (8462); 5.8 (8464) | Topics 2 and 9 | C2.1 and C4.2 | |
| The atmosphere and using resources | 4.9 and 4.10 (8462); 5.9 and 5.10 (8464) | Topics 2, 4 and 8 (1CH0 also Topics 5 and 9) | C6.1 and C6.3 (J250: C6.1 and C6.2) | Molar Mass |
| Required practicals and maths skills | required practicals and maths requirements (8462); chemistry required practicals (8464) | Topic 0 and core practicals | practical activity groups and maths skills | Reaction ratesMolar Mass |
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