A) Third
B) Fourth
C) Fifth
D) Sixth
Correct Answer: D
Solution :
16-\[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{4}}\] there are \[6{{e}^{-}}\] in outer most shell therefore its group is VIthA.
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