Question

give two example of an element having variable valency​

Answer 1

Explanation:

Certain elements have more than one valency. They exhibit variable valency. For example, copper, tin, iron and mercury exhibit variable valency. Copper combines with oxygen to form cuprous oxide (Cu2O) and cupric oxide (CuO).

Answer 2

Answer:

Variable Valency Examples:

Certain elements have more than one valency. They exhibit variable valency. For example, copper, tin, iron and mercury exhibit variable valency. ... The following table gives the names of some compounds with variable valencies of elements.

• plz follow me and thank my answers ❤❤❤