HaGuzman00 HaGuzman00

24-01-2018
Chemistry

contestada

What is the mass number of an atom that has 12 neutrons and 11 protons?

Respuesta :

24-01-2018

Mass number = protons + neutrons. 12 + 11 = 23.

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fosterblake79 fosterblake79

23-03-2020

Answer:

23

Explanation:

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