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GCSE Combined Science · key term
An explanation of reaction rates based on how frequently reacting particles collide and whether their collisions have sufficient energy to cause a reaction.
Used by AQA and Edexcel
Specification 5.6.1.3 · Paper 4
Revise: Collision Theory and Activation EnergyAccording to collision theory, reacting particles must collide with each other for a reaction to occur. However, a collision alone is not enough. The particles must also have sufficient energy.
Specification Rates of reaction · Paper 3, Paper 4
The explanation that reacting particles must collide with sufficient energy for a reaction to occur.
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