veraanna2015
veraanna2015 veraanna2015
  • 23-05-2017
  • Physics
contestada

If the atomic number of an element is 8 and its mass number is 20, how many neutrons are in the atom's nucleus?

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paigesanford666
paigesanford666 paigesanford666
  • 23-05-2017
There is 12 neutrons in the atoms nucleus.
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