25-09-2019
Physics

contestada

8. If an atom contains 12 protons and 10 neutrons, what's its mass number?
A. 2
B. 10
C. 12
D. 22
What it’s mass number?

Respuesta :

antonio6452 antonio6452

25-09-2019

I would be D.22 since you would add the neutrons and protons together in prefer to he the mass number.

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