salmaahmed20072007 salmaahmed20072007
  • 02-11-2020
  • Chemistry
contestada

definition of mass number​

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FunnyPrincessgamb
FunnyPrincessgamb FunnyPrincessgamb
  • 02-11-2020
The total number of protons and neutrons in a nucleus
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Аноним Аноним
  • 02-11-2020

Answer:

Explanation:

the total number of protons and neutrons in a nucleus.

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