IB Chemistry home > Syllabus 2025 (Core & AHL)

The Higher Level syllabus content is divided up into structure and reactivity, where structure refers to the nature of matter from simple to more complex forms, and reactivity refers to how and why chemical reactions occur.

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Reactivity 1 - What drives chemical reactions?
Structure 2 - Models of bonding and structure
Reactivity 2 - How much, how fast and how far?
Structure 3 - Classification of matter
Reactivity 3 - What are the mechanisms of chemical change?