Eleisasusifatie
Eleisasusifatie Eleisasusifatie
  • 09-05-2016
  • Chemistry
contestada

If an atom contains 12 protons and 10 neutrons, what's its mass number?

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Аноним Аноним
  • 09-05-2016
22, because you just add the protons and neutrons (12 + 10)
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davidmckee davidmckee
  • 04-10-2018

Adding the number of protons and neutrons equals the mass. The answer would be 22.

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