Question

valency of sodium (NA2) DROP ME SOME THANKS​

Answer 1

The valency of an element depends upon the number of electrons in its outermost shell. Since sodium has only one electron in its outermost shell therefore its valency is 1.

Answer 2

The valency of an element depends upon the number of electrons in its outermost shell. Since sodium has only one electron in its outermost shell therefore its valency is 1.