Question

The atomic nuber of an element X is 19? what will be valency of Xand write down the electronic congrugation of X​

Answer 1

The valency of X is 1 and the electronic configuration is 2,8,8,1.

Answer 2

$\huge\mathfrak{Heya}$

$\huge\text{Answer}$

$\bold{Atomic\:number}$ = 19

$\bold{Valency}$ = 1

$\bold{electronic\:configuration}$ = 2,8,8,1