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    Chemistry GCSE

    Charge and relative numbers of protons and electrons

    What Charge and relative numbers of protons and electrons means in Chemistry GCSE, as defined for AQA.

    Definitions of Charge and relative numbers of protons and electrons

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    Reference: AQA

    Loss of electrons produces a positive ion because the number of protons now exceeds the number of electrons, and the size of the charge matches the number of electrons lost.
    AQA · Ionic bonding (study guide)
    Gain of electrons produces a negative ion because the number of electrons now exceeds the number of protons.
    AQA · Ionic bonding (study guide)

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