Atomic Structure Question 203

Question: Which one of the following configuration represents a noble gas [CPMT 1983, 89, 93; NCERT 1973; MP PMT 1989; DPMT 1984]

Options:

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

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

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

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

Show Answer

Answer:

Correct Answer: C

Solution:

$ 1s^{2},,2s^{2},,2p^{6} $ represents a noble gas electronic configuration.



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