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    Combined Science GCSE

    Relative mass

    What Relative mass means in Combined Science GCSE, as defined for AQA.

    Definitions of Relative mass

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    Reference: AQA

    A proton and a neutron each have a relative mass of 1, whereas an electron has a relative mass of about 1/1836.
    AQA · Size and mass of atoms (study guide)
    A comparison of the mass of a particle with a standard, so it is not an actual mass in kilograms.
    AQA · Size and mass of atoms (study guide)

    Topics that use Relative mass

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    Using Relative mass in the exam

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