a
1S\(^2\)2S\(^2\)2P\(^6\)3S\(^2\)3P\(^5\)
b
1S\(^2\)2S\(^2\)2P\(^6\)3S\(^2\)3P\(^4\)
c
1S\(^2\)2S\(^2\)2P\(^6\)3S\(^2\)3P\(^6\)
d
1S\(^2\)2S\(^2\)2P\(^5\)3S\(^2\)3P\(^6\)
Explanation
Correct Option
aVideo Explanation
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