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    Physics A-Level

    Charge and quantum number symmetry

    What Charge and quantum number symmetry means in Physics A-Level, as defined for AQA.

    Definition of Charge and quantum number symmetry

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    Reference: AQA

    A particle and its antiparticle have opposite electric charges and opposite signs for quantum numbers such as baryon number, lepton number and strangeness.
    AQA · Particles, antiparticles and photons (study guide)

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