Question

variable valencey is a property of​

Answer 1

Answer:

Some elements differ in their capacity to combine with other elements depending on the nature of the reaction; this property is called variable valency. For example, the iron in ferrous oxide exhibits a valency of +2, whereas in ferric oxide, it has a valency of +3.

Answer 2

some elements that are found in nature differ in their capacity to combine with other elements due to reactivity ability this is called property of variable valency