Practise what you read: IB Chemistry MCQs with answers, a free test marked instantly.
Free IB Diploma Programme (DP) Chemistry revision notes for the 2025 syllabus, prepared by Fahad H. Ahmad and the Mega Lecture team. Notes cover Standard Level and Higher Level; HL material is flagged inside each booklet. Click any topic to open the PDF.
Structure 1: Models of the Particulate Nature of Matter
- Structure 1.1 Introduction to the Particulate Nature of Matter
- Structure 1.2 The Nuclear Atom
- Structure 1.3 Electron Configurations
- Structure 1.4 Counting Particles by Mass: The Mole
- Structure 1.5 Ideal Gases
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Structure 2: Models of Bonding and Structure
- Structure 2.1 The Ionic Model
- Structure 2.2 The Covalent Model
- Structure 2.3 The Metallic Model
- Structure 2.4 From Models to Materials
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Structure 3: Classification of Matter
- Structure 3.1 The Periodic Table: Classification of Elements
- Structure 3.2 Functional Groups: Classification of Organic Compounds
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Reactivity 1: What Drives Chemical Reactions?
- Reactivity 1.1 Measuring Enthalpy Changes
- Reactivity 1.2 Energy Cycles in Reactions
- Reactivity 1.3 Energy from Fuels
- Reactivity 1.4 Entropy and Spontaneity
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Reactivity 2: How Much, How Fast and How Far?
- Reactivity 2.1 How Much? The Amount of Chemical Change
- Reactivity 2.2 How Fast? The Rate of Chemical Change
- Reactivity 2.3 How Far? The Extent of Chemical Change
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Reactivity 3: What Are the Mechanisms of Chemical Change?
- Reactivity 3.1 Proton Transfer Reactions
- Reactivity 3.2 Electron Transfer Reactions
- Reactivity 3.3 Electron Sharing Reactions
- Reactivity 3.4 Electron-Pair Sharing Reactions
