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1 vote
Mass Number = 11

Na
Atomic Number = 22.98977


What is the number of protons in an atom of sodium?
A) 11

B) 11.9897

C) 12

D) 23

2 Answers

3 votes

Answer:

A 11

Step-by-step explanation:

A 11

User StanLe
by
8.4k points
4 votes
The answer is A 11. I hope this helps

User William Barbosa
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8.1k points