Atomic Structure Question 350

Question: How many unpaired electrons are present in cobalt [Co] metal [RPMT 2002]

Options:

A) 2

B) 3

C) 4

D) 7

Show Answer

Answer:

Correct Answer: B

Solution:

$ Co_{27}=[Ar]3d^{7}4s^{2} $ 3 unpaired electron are present in cobalt metal.



NCERT Chapter Video Solution

Dual Pane