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MoonMoony
Answered

The atomic mass of an atom equals the sum of the masses of the _____.

Aprotons and electrons
Belectrons and neutrons
Cprotons and neutrons
Dnone of the above

Verified Answer :

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