Chemistry GCSE
Collision Theory
What Collision Theory means in Chemistry GCSE, as defined for Pearson Edexcel.
Definition of Collision Theory
The theory that chemical reactions only occur when particles collide with sufficient energy.
Topics that use Collision Theory
- Rates of reaction and energy changes (Pearson Edexcel GCSE)
Related terms
Using Collision Theory in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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