Sariyahc94128
Answered

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What makes up the atomic mass?

a : neutrons
b : electrons + neutrons
c : protons + neutrons
d : electrons + protons

Sagot :

XxDeanxX

Answer:

hi, your answer is c : protons + neutrons

atomic mass of an atom is sum of masses of it's protons and neutrons.

kakanUsbBB
The answer to your question is C
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