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21 January, 15:32

n element has an atomic mass of 16 and an atomic number of 7 ow many protons and neutrons does it have

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  1. 21 January, 15:36
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    Number of protons: 7

    Number of neutrons: 9

    Explanation:

    The atomic number is the number of protons (p+). In a neutral atom, the number of electrons (e-) equals the number of protons. Mass number is the sum of the protons and neutrons (n0) of a particular isotope. If you have mass number and atomic number, subtract the atomic number from the mass number to get the number of neutrons. Number of neutrons = (Mass number) - (atomic number)

    So, the given isotope of nitrogen (N) has 7 protons, 7 electrons and 9 neutrons.
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