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Editor
 Sep 18, 2022
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The electronic configuration of carbon in excited state is:
Difficulty: Hard
A: 
$1s^{2}.2s^{2}.2p^{2}$
B: 
$1s^{2}.1s^{1}.2p^{3}$
C: 
$1s^{2}.2s^{2}.2p^{1}3s^{1}$
D: 
$1s^{2}.2s^{1}.2p.2p.2p$
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