A) \[[He]\,2{{s}^{1}}\]
B) \[[Xe]\,6{{s}^{1}}\]
C) \[[He]\,2{{s}^{2}}\]
D) \[[Xe]\,6{{s}^{2}}\]
Correct Answer: B
Solution :
Electropositive nature increases down the group and decreases across the period.
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