Answer:
Hi
Explanation:
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Ty!~
12
23-11, why?, because, the difference between atomic and mass number is the neutron number which most a times is equivalent to the electron number.
The answer is B.) 10^5
I hope this helps :D
106 gfm
element. number masses
Na. 2 23×2
C. 1. 12
O. 3. 16×3
then add
