If the electron configuration of an element is 1S\(^2\) 2S\(^2\)2P\(^5\), how many unpaired electron are there?
a
2
b
8
c
1
d
4
Explanation
Correct Option
c
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orimisan sunday
11 years ago
i think d ans is 1 not 18 bcos d atomic 9 and it ned only one to compt it shel








