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Na-23 has 12 neutrons.what is its atomic number?
A.11
B.12
C.23
D.34

User Cpa
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2 Answers

2 votes

Answer: A. 11

Explanation: I took the test and I answered the question right.

User Yesman
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5 votes
google says 11 lol full google answer:

Sodium-23 atom is the stable isotope of sodium with relative atomic mass 22.989770, 100 atom percent natural abundance and nuclear spin 3/2. A member of the alkali group of metals. It has the atomic symbol Na, atomic number 11, and atomic weight 23.
User Ashokhein
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