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IB Diploma Programme

IB Chemistry (first assessment 2025) topical past papers

267 past-paper questions for Chemistry (first assessment 2025), filed under 22 chapters.

Questions
267
Past papers
18
Years
2025–2025
With mark scheme
100%
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Chemistry (first assessment 2025) chapters

The chapters the bank files this subject’s questions under, in syllabus order. Each has a page of its own.

Chemistry (first assessment 2025) chapters, with how many questions each has
ChapterQuestionsYears
Introduction to the Particulate Nature of Matter102025
The Nuclear Atom82025
Electron Configurations222025
Counting Particles by Mass: the Mole182025
Ideal Gases72025
The Ionic Model72025
The Covalent Model292025
The Metallic Model32025
From Models to Materials82025
The Periodic Table: Classification of Elements182025
Functional Groups: Classification of Organic Compounds202025
Measuring Enthalpy Change172025
Energy Cycles in Reactions42025
Energy From Fuels42025
Entropy and Spontaneity (additional Higher Level)72025
How Much? the Amount of Chemical Change382025
How Fast? the Rate of Chemical Change322025
How Far? the Extent of Chemical Change162025
Proton Transfer Reactions312025
Electron Transfer Reactions302025
Electron Sharing Reactions112025
Electron-pair Sharing Reactions92025

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Past-paper questions and mark schemes are the copyright of International Baccalaureate. Momentum shows them to signed-in learners for revision and does not publish them on these pages.