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10 November, 13:41

How many protons electrons and neutrons does the isotope nitrogen 15 have

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  1. 10 November, 16:13
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    The atomic number of N 157

    The number of protons is 7

    The number of electrons is 7

    The number of neutrons is 8

    Explanation:

    The atomic number of Nitrogen is 7 because Nitrogen has 7 protons.

    The seven protons attract 7 electrons in the ground state.

    If the atom had fewer or more than 7 protons the atom would not be Nitrogen.

    The mass of the atom is the sum of protons and neutron. so

    p + n = mass (protons (p) and neutrons (n) both have an atomic mass of one

    7 + n = 15 subtract 7 from both sides

    7-7+n=15-7

    n = 8
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