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(A) The melting points of $3d$ transition elements depend on the number of unpaired electrons available for metallic bonding. $Cr$ (Chromium) has the

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$Cr$

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(A) The melting points of $3d$ transition elements depend on the number of unpaired electrons available for metallic bonding. $Cr$ (Chromium) has the electronic configuration $[Ar] 3d^5 4s^1$. It has $6$ unpaired electrons, which leads to strong metallic bonding and consequently the highest melting point among the given options $(1907 	ext{ °C})$.

Which of the following elements has the highest melting point?

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