Question

PLEASE HELP!!! How is atomic mass calculated?

A. by adding the mass of the electrons and protons

B. by subtracting the mass of the protons from the mass number

C. by adding the mass of the protons and neutrons

D. by subtracting the mass of the neutrons from the mass number

Answer 1

The answer is C

Step-by-step explanation:

K12 4.04 Quiz

Answer 2

Option C by adding the mass of the protons and neutrons