Question

The elements in which 4f orbitals are progressively filled up are called as
(a) Actinoids
(b) Transition elements
(c) Lanthanoids
(d) Halogens

Answer 1

HELLO DEAR FRIEND

HERE IS YOUR ANSWER

(b) Transition elements

HOPE IT HELPS YOU DEAR FRIEND THANKS

Answer 2

$\huge{ \boxed{\bf\red{{ANSWER }}}}$

Correct Answer : (b) Transition elements