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प्रश्न
Transition metals with highest melting point is ____________.
पर्याय
Hg
Cr
Sc
W
MCQ
रिकाम्या जागा भरा
उत्तर
Transition metals with highest melting point is W.
Explanation:
The high melting points of these metals are attributed to the involvement of a greater number of electrons from (n − 1)d in addition to the ns electrons in the interatomic metallic bonding. W belongs to the 5d series and it has a lot of unpaired electrons (5d4 6s2).
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