Pearson Edexcel A-level Chemistry (9CH0)
Every topic with its Pearson Edexcel specification reference, free notes and tools to revise it, and your summer 2027 papers.
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| Topic | Spec | Notes and tools | How sure |
|---|---|---|---|
| Atomic structure and amount of substance | Topics 1 and 5 | Electron configurations and ionisation energiesThe ideal gas equationThe mole, the Avogadro constant and concentration Scientific calculatorPeriodic tableMolar mass | |
| Bonding and shapes of molecules | Topic 2 | Periodic table | |
| Energetics and thermodynamics | Topics 8 and 13 | Enthalpy changes, calorimetry and Hess's law Scientific calculator | |
| Kinetics and rate equations | Topics 9 and 16 | ||
| Equilibria, Kc and Kp | Topics 10 and 11 | Dynamic equilibrium, Le Chatelier's principle and Kc |
6 topics
| Topic | Spec | Notes and tools | How sure |
|---|---|---|---|
| Redox and electrode potentials | Topics 3 and 14 | Oxidation states, half-equations and redox | |
| Acids, bases and pH | Topic 12 | Brønsted-Lowry acids, pH and Kw Scientific calculator | |
| Periodicity, Group 2, the halogens and Period 3 | Topics 4 and 15 | ||
| Transition metals and ions in solution | Topic 15 | ||
| Organic chemistry: functional groups | Topics 6 and 7 | Naming organic compounds and isomerism | |
| Organic synthesis and analysis | Topics 17 to 19 |
Your summer 2027 exams
| Paper | Date | Starts | Length |
|---|---|---|---|
| Paper 1: Advanced Inorganic and Physical Chemistry 9CH0 01 | Friday 28 May 2027 | 9:00 | 1h 45m |
| Paper 2: Advanced Organic and Physical Chemistry 9CH0 02 | Thursday 10 June 2027 | 9:00 | 1h 45m |
| Paper 3: General and Practical Principles in Chemistry 9CH0 03 | Thursday 17 June 2027 | 9:00 | 2h 30m |
Foundation and Higher papers are sat at the same time, so one row covers both. Source: Pearson Edexcel GCE final timetable, summer 2027 (final timetable), read on Wed 7 Oct. PDF (opens a new tab)
Official Pearson Edexcel pages
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