If the differentiating electron enters (n-1) d-sublevel. The element is

After 3d-su level is completely filled the differentiating electron enters into ….. sub level.

After 3d-sub level is completely filled the differentiating electron enters into ….. sub level.

Atomic number of the element which has diffe rentiating electron enters into a d-subshell for the first time

In lanthanides, the differentiating electron enters into

The differentiating electron of lanthanides enters in the :

In transition elements, the differentiating electron enters into ________ subshell.