michellezavala2018 michellezavala2018

22-01-2021
Chemistry

contestada

What measures the number of protons and neutrons in an atom?

-Atomic Number
-Atomic Mass
-Isotopes
-Olons

Respuesta :

mariacalleros mariacalleros

22-01-2021

Answer: atomic mass

Explanation:

Mass Number. The mass number (A) of an atom is the total number of protons and neutrons in its nucleus. The mass of the atom is a unit called the atomic mass unit (amu).

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