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What is the mass number of this atom? A.3 B.4 C.7 D.10

What is the mass number of this atom? A.3 B.4 C.7 D.10
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What is the mass number of this atom?
A.3
B.4
C.7
D.10

What is the mass number of this atom? A.3 B.4 C.7 D.10-example-1
User Strickli
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2 Answers

6 votes
What is the mass number of this atom?

C.7
User Ritesh Jagga
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8.4k points
7 votes
C. 7
The mass number of this atom is the number of protons and the number of neutrons combined, which in this case would be 3+4 or 7.

Hope this helps.
User Aliaksei Bulhak
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