A) \[n{{s}^{2}}n{{p}^{6}}\]
B) \[n{{s}^{2}}n{{p}^{3}}\]
C) \[n{{s}^{2}}n{{p}^{5}}\]
D) \[n{{s}^{2}}\]
Correct Answer: C
Solution :
Each halogen has 7 electrons in its outermost shell.
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