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d and f BLOCK ELEMENTS
Question #38642
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Why do the 3d transition metals generally have high melting and boiling points?
A. Due to weak van der Waals forces
B. Due to the strong metallic bonding involving a large number of delocalised electrons from both ns and (n-1)d orbitals
C. Due to the formation of covalent networks
D. Due to the presence of ionic bonds
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