SSC GD#!#Number System

The number of unpaired electrons in Gd^(3+) is .......... .

The number of electrons present in the 4f-subshell of Gd (Z = 64) is

The atomic number of Gadolinium (Gd) is 64. The CORRECT electronic configuration of Gd^(3+) ion is____________.

How many total number of unparied electrons in Gd are