D-And F-Block Elements Ques 406
Question: Which one belongs to 3d-transition series
[MP PMT 2004]
Options:
A) Copper
B) Gold
C) Cobalt
D) Silver
Show Answer
Answer:
Correct Answer: C
Solution:
Cobalt 27 belong to 3d transition series having in complete 3d orbitals i.e., $ 3d^{7} $ .