Question

How does the valency vary in going down a group?

Answer 1

In going down a group the valency doesnot vary,in going from left to right in a period the valency increases first from 1 - 4.

Answer 2

$\: \bf\fbox\red{Answer:-}$

My own answer :

• The valency is constant when we move from top to bottom in a group because the number of valence electrons are same from same group elements.

@Shivam