Classification Of Elements And Periodicity In Properties Question 180
Question: In the ground state of cobalt atom (Z = 27) there are ……. unpaired electrons and thus the atom is…….
Options:
A) 2, diamagnetic
B) 2, paramagnetic
C) 3, diamagnetic
D) 3, paramagnetic
Show Answer
Answer:
Correct Answer: D
Solution:
$ Co-[Ar]3d^{7}4s^{2} $ , it has 3 unpaired $ {{e}^{-}} $ so it is a paramagnetic.
BETA
