Eleisasusifatie Eleisasusifatie

09-05-2016
Chemistry

contestada

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

Respuesta :

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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