Question

1.
The element having electronic configuration
4f145dº6s2 belongs to -
(A) d-block, 12th group
(B) f-block, III B group
(C) f-block, 14th group
(D) S-block, 2nd group​

Answer 1

Answer:

B) f block IIIB group

Explanation

This type of electronic configuration can be seen in lanthanide elements which present in IIIb group