Assertion (A) : Transition metals have low melting points. Reason (R) : The involvement of greater number of (n – 1)d and ns electrons in the interatomic metallic bonding.
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transition metals possess a high density and high melting points and boiling points. ... However, the Group 12 metals have much lower melting and boiling points since their full d subshells prevent d–d bonding....
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