Chemistry A-Level
collision theory
What collision theory means in Chemistry A-Level, as defined for AQA.
Definition of collision theory
Check what you remember
Read the wording for your board, then hide it and explain collision theory in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Reactions can only occur when collisions take place between particles having sufficient energy.
Topics that use collision theory
- Collision theory (AQA A-Level)
Related terms
- Activation energy
- energy requirement
- orientation
- spread of molecular energies
- successful collisions
- transition state
- unsuccessful collisions
Using collision theory in the exam
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