Question

$\huge\boxed{\fcolorbox{red}{pink}{ ELECTRONIC CONFIGURATION OF GADOLINIUM (atomic no. 64) }}$​

Answer 1

electronic Configuration of atomic no. 64 is:-

2,8,18,32,4

so it's velency is 4.

HOPE IT IS HELPFUL. ☺

Answer 2

Answer:

2,8,18,25,9,2 or the valancy is 2