Question

The no of valance electrons in potassium atom are

Answer 1

Valence electrons are those electrons which are present in the outermost shell.

No. of Valence electrons in potassium ( K ) = 1

Answer 2

Potassium being as 19 th element in periodic table has one electron in its outermost shell...

so it,s valency is 1.

hope my answer helps you.