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    Chemistry GCSE

    Relative charge and mass

    What Relative charge and mass means in Chemistry GCSE, as defined for AQA.

    Definition of Relative charge and mass

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    Reference: AQA

    Protons have relative charge 1⁺, neutrons have no charge and electrons carry relative charge 1⁻, with protons and neutrons together giving the nucleus almost all of the atom's mass.
    AQA · Relative electrical charges of subatomic particles (study guide)

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