asked 131k views
2 votes
What is the sum of protons and neutrons in an atomic nucleus?

A: Mass Number
B: Charge Number
C: Balance Number
D: Atomic Number

asked
User Zuim
by
8.0k points

1 Answer

5 votes

It is the atomic number. So it is D.

answered
User GoldenAxe
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9.0k points

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