A) first gp
B) third gp
C) fifth gp
D) seventh gp
Correct Answer: C
Solution :
\[33:1{{s}^{2}},\text{ }2{{s}^{2}},\text{ }2{{p}^{6}},\text{ }3{{s}^{2}},\text{ }3{{p}^{6}},\text{ }4{{s}^{2}},\text{ }3{{d}^{10}},4{{p}^{3}}\] In its valence shell \[5{{e}^{-}}\] are present so it is fifth group element.You need to login to perform this action.
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