IGCSE Chemistry Syllabus 2025 (0620) – Complete Guide, Topics, Notes & Exam Success Strategy
Your ultimate, high-authority resource for mastering the Cambridge IGCSE Chemistry Syllabus 2025 (0620). Fully aligned with CAIE updates, topic changes, exam structure, command words, paper patterns, and premium internal navigation for maximum SEO + UX.
Introduction
The IGCSE Chemistry 0620 Syllabus (2025–2027) provides a clear framework for students to understand essential chemical principles, laboratory skills, and real-world applications. This guide breaks everything down into high-ranking SEO-optimized sections, supported by internal resources from CambridgeClassroom.com.
IGCSE Chemistry Syllabus 2025 – Full Topic Breakdown
The syllabus is divided into 14 core units, each carefully structured for theoretical knowledge and practical mastery.
- 1. States of Matter
- 2. Atomic Structure & the Periodic Table
- 3. Chemical Bonding
- 4. Stoichiometry & Chemical Calculations
- 5. Electricity & Chemistry
- 6. Energy Changes
- 7. Rates of Reaction
- 8. Reversible Reactions
- 9. Acids, Bases & Salts
- 10. Periodicity
- 11. Metals & Reactivity Series
- 12. Air, Water & Earth
- 13. Organic Chemistry
- 14. Experimental Skills & Practical Chemistry
IGCSE Chemistry (0620) Exam Structure – 2025 Updates
| Paper | Type | Marks | Weight |
|---|---|---|---|
| Paper 1 | MCQs (Core) | 40 | 30% |
| Paper 2 | Theory (Core) | 80 | 50% |
| Paper 3 | MCQs (Extended) | 40 | 30% |
| Paper 4 | Theory (Extended) | 80 | 50% |
| Paper 5 | Practical Test | 40 | 20% |
| Paper 6 | Alternative to Practical (ATP) | 40 | 20% |
For structured ATP and Practical support, see:
Complete Topic-by-Topic Guide (Linked Internally)
Each topic below links to in-depth notes, solved questions, and exam tips.
- Moles & Chemical Calculations
- Empirical and Molecular Formulas
- Ionic, Covalent & Metallic Bonding
- Gas Laws
- Oxidation & Reduction
- Electroplating Processes
- Periodic Table Trends
- Reactivity Series of Metals
- Water Treatment & Purification
- Crude Oil & Fractional Distillation
- Polymers
- Fertilisers & NPK Production
- Ammonia – Haber Process
- Unpredictable Questions & How to Solve Them
- IGCSE Chemistry Past Papers
- Mark Scheme Analysis
- Complete Syllabus Checklist
- Revision Tips
- Download Full IGCSE Chemistry Notes
How to Prepare for IGCSE Chemistry 2025 (0620)
To score high in CAIE exams, follow this strategic study plan:
- Focus on high-yield chapters like Stoichiometry, Bonding, and Organic Chemistry.
- Practice ATP-style questions daily.
- Memorize periodic trends using our interactive periodic table guide.
- Use exam-style notes from Revision Notes.
Final Words
The IGCSE Chemistry Syllabus 2025 offers a clear structure that rewards smart preparation. With the linked resources, topic breakdowns, and exam strategies provided above, students can easily achieve A* results.
Keep exploring our internal links for deeper mastery and seamless navigation.














