A) \[{{27}^{o}}C\]
B) \[{{27}^{o}}C\]
C) \[1{{s}^{2}},2{{s}^{2}},2{{p}^{3}}\]
D) \[1{{s}^{2}},2{{s}^{1}}\]
Correct Answer: D
Solution :
\[C{{s}^{+}}\] \[{{K}^{+}}\] \[N{{a}^{+}}\]
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