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30 May, 21:31

Describe the relationship between the atomic number, mass number, number of protons, number of neutrons.

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  1. 30 May, 21:52
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    Atomic number (Z) = Number of the protons

    It means that if the atomic number of C is 6, it implies that the number of protons in carbon is 6 too.

    Mass number (M) = Number of the protons + Number of the neutrons

    It means that if the atomic mass of C is 12, it implies that the number of protons and the neutrons in carbon is 12.
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