Free GCSE & A-Level Chemistry resources to help you ace your chemistry exams.
Concise notes, worked examples, interactive activities, and videos aligned to UK exam boards. No logins. No paywalls.

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GCSE Chemistry
Clear notes, practice questions, quizzes, and interactive checks for Higher & Foundation tiers.
ASAS Chemistry
Clear and concise notes on physical, inorganic, and organic topics, practice questions, quizzes and interactive content.
A2A2 Chemistry
Clear and concise notes on physical, inorganic and organic topics, practice questions, quizzes and interactive content.
Popular topics
Frequently visited pages across GCSE and A-Level.
Interactive tools & quizzes
Recent page updates
Trends and patterns in the ionisation energies for the period 3 elements (A-level)
Interactive activities to explain shielding and trends in the ionisation energies.
The Aufbau Principle (A-level)
Updated page to help explain how to work out electron configurations.
Electron configurations (A-level)
Interactive activity to help you work out the electronic configurations for the first 30 elements.
% Composition by mass (GCSE)
Worked examples and embedded self-check activities..
Methods of extracting metals (GCSE)
Predict how to extract various metals from their ores.
What’s new
Freshly added or updated resources.
- New: GCSE section on quantitative chemistry, e.g. interactive atom economy & percentage yield activities.
- Updated: GCSE Section on metals and their reactions has been updated with interactive quizzes and activities.
- A2 aromatic chemistry section has had an update with more interactive content and questions.
- Updated AS chemistry topics on ionisation energies and the Aufbau Principle.
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