Give example of any two element showing variable valecy with their nam

1.	Give example of any two element showing variable valecy with their name.
Answer» *Variable VALENCY Examples* Variable Valency Examples 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 *WITH* *QUALITY*.....

Give example of any two element showing variable valecy with their name.

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