MoonMoony
contestada

The atomic mass of an atom equals the sum of the masses of the _____.
A. protons and electrons
B. electrons and neutrons
C. protons and neutrons
D. none of the above

Respuesta :

The atomic mass of an atom equals the sum of the masses of the protons and neutrons.

A=atomic mass
Z=atomic number  (or number of protons=
N=number of neutrons.

A=Z+N

Answer: C. protons and neutrons.
TheHealingHealer
The answer is C.

The atomic mass is composed of the number of protons and neutrons. Electrons don't count since they orbit around the atom.

100% sure. :)

Hope this helped,
-*Starry*

Otras preguntas