IGCSE Chemistry Notes 2026: Topics & Sources
IGCSE chemistry notes must include balanced equations, mole calculations, and periodic trends — reading alone without practice questions rarely secures top grades.
Hub: IGCSE biology notes · Free chemistry notes · 0620 guide.
Core topics
| Unit | Focus |
|---|---|
| Particles & bonding | Ionic/covalent models |
| Stoichiometry | Moles, concentration, gas volume |
| Electrochemistry | Reactivity series, electrolysis |
| Acids & bases | Neutralisation, salts |
| Organic basics | Names, homologous series (syllabus-dependent) |
Legacy depth: chemistry notes for exams · Past papers · By topic.
Revision method
- Notes for definitions and colours (tests).
- Drill calculations without notes.
- Practical / alternative to practical vocabulary — command words.
- Edexcel modular chemistry if on Pearson.
Frequently asked questions
Free IGCSE chemistry notes?
Combined Science?
Use combined science notes — narrower chemistry section.
Equation sheet in exam?
Confirm current syllabus rules — still practise without relying on memory gaps.
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