coolbeastpro7114 coolbeastpro7114
  • 25-09-2018
  • Chemistry
contestada

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

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jamesrlewis5000 jamesrlewis5000
  • 25-09-2018

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.

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