Track your confidence level (1–5) for each topic, when you last reviewed it, and when to review next. Aligned to the Pearson Edexcel IGCSE Chemistry 4CH1 specification for 2026 exams.
| Topic | Sub-Topic | Resources | Confidence (1–5) | Last Reviewed | Next Review |
|---|---|---|---|---|---|
| 1. Principles of chemistry | States of matter | LearnOpens subject resources | |||
| 1. Principles of chemistry | Elements, compounds and mixtures | LearnOpens subject resources | |||
| 1. Principles of chemistry | Atomic structure | LearnOpens subject resources | |||
| 1. Principles of chemistry | The Periodic Table | LearnOpens subject resources | |||
| 1. Principles of chemistry | Chemical formulae, equations and calculations | LearnOpens subject resources | |||
| 1. Principles of chemistry | Ionic bonding | LearnOpens subject resources | |||
| 1. Principles of chemistry | Covalent bonding | LearnOpens subject resources | |||
| 1. Principles of chemistry | Metallic bonding | LearnOpens subject resources | |||
| 1. Principles of chemistry | Electrolysis | LearnOpens subject resources | |||
| 2. Inorganic chemistry | Group 1 (alkali metals) lithium, sodium and potassium | LearnOpens subject resources | |||
| 2. Inorganic chemistry | Group 7 (halogens) chlorine, bromine and iodine | LearnOpens subject resources | |||
| 2. Inorganic chemistry | Gases in the atmosphere | LearnOpens subject resources | |||
| 2. Inorganic chemistry | Reactivity series | LearnOpens subject resources | |||
| 2. Inorganic chemistry | Extraction and uses of metals | LearnOpens subject resources | |||
| 2. Inorganic chemistry | Acids, alkalis and titrations | LearnOpens subject resources | |||
| 2. Inorganic chemistry | Acids, bases and salt preparations | LearnOpens subject resources | |||
| 2. Inorganic chemistry | Chemical tests | LearnOpens subject resources | |||
| 3. Physical chemistry | Energetics | LearnOpens subject resources | |||
| 3. Physical chemistry | Rates of reaction | LearnOpens subject resources | |||
| 3. Physical chemistry | Reversible reactions and equilibria | LearnOpens subject resources | |||
| 4. Organic chemistry | Introduction | LearnOpens subject resources | |||
| 4. Organic chemistry | Crude oil | LearnOpens subject resources | |||
| 4. Organic chemistry | Alkanes | LearnOpens subject resources | |||
| 4. Organic chemistry | Alkenes | LearnOpens subject resources | |||
| 4. Organic chemistry | Alcohols | LearnOpens subject resources | |||
| 4. Organic chemistry | Carboxylic acids | LearnOpens subject resources | |||
| 4. Organic chemistry | Esters | LearnOpens subject resources | |||
| 4. Organic chemistry | Synthetic polymers | LearnOpens subject resources |
Use this checklist with our Past Paper Finder to practise weak topics. Confidence: 1 = very low, 5 = confident.