Question

Why some elements show variable please give me answer immediately ​

Answer 1

This property is called as variable valency. Some elements show variable valency because of the different electronic configurations. An atom of an element can sometimes lose more electrons than are present in its valence shell i.e. loss from the penultimate shell and hence exhibit more than 1 or variable valency.

Answer 2

Answer:

there r many elements that show variable

Explanation:

I think u mean variable valency