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13 October, 07:07

If you are given only the mass number of neutrons, how do we find an atomic number?

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Answers (2)
  1. 13 October, 08:22
    0
    Mass number is the sum of protons and neutrons.

    Atomic number is the total number of protons present.

    Mass number = protons + neutrons

    Atomic number = protons present.

    From the above equations we can conclude that,

    Atomic number = Mass number - neutrons.

    Thus we can find out the atomic number by subtracting the number of neutrons from the mass number.
  2. 13 October, 09:18
    0
    You can find the atomic number by subtracting the atomic mass by the number of neutrons.
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