Atomic Structure Question 283

Question: Which of the following configuration is correct for iron [CBSE PMT 1999]

Options:

A) $ 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{5} $

B) $ 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{5} $

C) $ 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{7} $

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

Show Answer

Answer:

Correct Answer: D

Solution:

$ 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{6} $ it shows electronic configuration of Iron.



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