Atomic Structure Question 256

Question: Which of the following represents the electronic configuration of an element with atomic number 17

[AMU 1982]

Options:

A) $ 1s^{2},2s^{2}2p^{6},3s^{1}3p^{6} $

B) $ 1s^{2},2s^{2}2p^{6},3s^{2}3p^{4},4s^{1} $

C) $ 1s^{2},2s^{2}2p^{6},3s^{2}3p^{5} $

D) $ 1s^{2},2s^{2}2p^{6},3s^{1}3p^{4},4s^{2} $

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Answer:

Correct Answer: C

Solution:

Atomic no. 17 is of chlorine.



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