How many neutrons are present in a nucleus whose atomic number is one and whose mass number is one?

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Chemistry

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18 August, 11:46

How many neutrons are present in a nucleus whose atomic number is one and whose mass number is one?

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Kelly Mckee · Answer 1

Because the proton has a mass of 1 and a neutron has a mass of 1, we know that there is exactly one proton in the nucleus (because of the atomic number) which therefore tells us there are no neutrons as adding one would make the mass more than one.