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} $ .



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