The electronic configuration of chlorine is
(a) 2, 7
(b) 2, 8, 8, 7
(c) 2, 8, 7
(d) 2, 7, 8.
Correct Answer : (c) 2, 8, 7
Explanation: Chlorine has an atomic number of 17. Hence, its electronic configuration is 2,8,7.
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