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Q14.The sodium atom contains 11 electrons, 11 protons, and 12 neutrons. What is the atomic mass number of sodium?

Select one:
a. 11 X
b. O
c. 22
d. 34
e. 23

User Jonathan Delean
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1 Answer

5 votes
5 votes

Answer: C

Explanation: The atomic mass is 22.990 so it would be C

User Afshin Moazami
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