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21 September, 15:10

If you are given the mass number and atomic number of an atom explain how you would find the number of protons neutrons and electrons

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  1. 21 September, 15:30
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    Atomic number is same number as the protons ...

    Neutrons = Mass number - Atomic number (protons)

    Electrons are same number as protons unless the element has a charge ...

    If it has a charge of + 2 it means that the element has 2 less electrons than the neutral atom. If it has a charge of - 2 it means that the element has 2 more electrons than what it is supposed to ...
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