Key term for OCR GCSE Chemistry B, used in Measuring rates of reaction.
A scientific model explaining that reactions only occur when particles collide with sufficient energy.
Collision theory appears in OCR GCSE Chemistry B revision content for Practical skills, especially Measuring rates of reaction and Apparatus and techniques.
Practical skills
Measuring rates of reaction • Apparatus and techniques
Ideas about Science
Development of scientific theory • Use of models
Making useful chemicals
Industrial chemical synthesis • Rate vs equilibrium trade-off
Making useful chemicals
Reaction rate control • Reaction conditions vs rate graphs
Making useful chemicals
Reaction rate control • Identifying catalysts
Making useful chemicals
Reaction rate control • Surface area explanation
Making useful chemicals
Reaction rate control • Factors affecting rate
Making useful chemicals
Useful acid products • Weak/Strong vs Dilute/Concentrated
Air and water
Energy changes in reactions • Activation energy
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