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The atomic mass is the _____.

A. number of protons plus the number of neutrons
B. number of protons plus the number of electrons
C. number of neutrons
D. number of protons

User Stryba
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1 Answer

4 votes

Answer:

It's A

Step-by-step explanation:

The answer is the number of protons plus the number of neutrons.

User Sascha Gottfried
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