Question

Exhibit variable valency elements

Answer 1

Hello

the elements which shows variable valencies are mainly fall in class of "Transition Element ".

these are copper, magnesium, cobalt. etc

Answer 2

Elements with Variable Valency. Transition metals nickel, copper, tin and iron exhibit variable valency. Nonmetals such as nitrogen and oxygen also show variable valency. The products formed as a result of reaction with the different valency atoms differ in their properties.

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