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    Chemistry GCSE

    Collisions

    What Collisions means in Chemistry GCSE, as defined for AQA.

    Definition of Collisions

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    Read the wording for your board, then hide it and explain Collisions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: AQA

    Particles collide constantly, but most do nothing because the particles simply bounce apart; only those with energy at or above the activation energy can react.
    AQA · Reaction profiles (study guide)

    Topics that use Collisions

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    Using Collisions in the exam

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