The electronic configurations of some of the elements are given below:
(A) \( 1 s^{2}, 2 s^{2} 2...
The electronic configurations of some of the elements are given below:
(A) \( 1 s^{2}, 2 s^{2} 2 p^{6}, 3 s^{2} \) (B) \( 1 s^{2}, 2 s^{2} 2 p^{6} \) (C) \( 1 s^{2}, 2 s^{2} 2 p^{3} \)
(D) \( 1 s^{2}, 2 s^{2} 2 p^{6}, 3 s^{1} \) (E) \( 1 s^{2}, 2 s^{2} 2 p^{5} \)
Which is a halogen?
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