Ce-58 is a member of

Options

A. s-block
B. p-block
C. d-block
D. f-block

Answer

D

Explanation

Ce - 58 have configuration `1s^(2),2s^(2)2p^(6),3s^(2)3p^(6)3d^(10),4s^(2)4p^(6)4d^(10)4f^(2), 5s^(2)5p^(6)5d^(0),6s^(2)`
Since, its last electron enter in f-sub shell, therefore it is a member of f-block.