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nearly all tr...

Question

nearly all transitional elements are very hard and have low volatility exceptions : Zn,Cd,Hg. why?

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Solution

Dear User,
The group 12 elements i.e. Zn, Cd, Hg have full filled d¹⁰ electronic configuration. There are no unpaired electrons available to form metallic bonding, therefore, these metals are quite soft and have low melting point i.e. they are volatile.

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