D-And F-Block Elements Ques 270
Question: Which element belongs to d - block
[CPMT 1984]
Options:
A) $ Na $
B) $ Ca $
C) $ Cu $
D) $ Ar $
Show Answer
Answer:
Correct Answer: C
Solution:
Cu; because last electron enters d-orbital $ (3d^{10}4s^{1}) $ .