Question

What are the metals with variable valency

Answer 1

METAL WITH VARIABLE VALENCY ARE-
Iron
Copper
Mercury
Silver
Tin
Lead
Platinum
Gold
Manganese and so on ...

Answer 2

ʜᴏʟᴀ ᴍᴀᴛᴇ !

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⭐ᴀɴsᴡᴇʀ⭐

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).