JEE Main Chemistry question

Iron is tougher than sodium because:

(A)Iron atom is smaller
(B)Iron atoms are more closely packed
(C)Metallic bonds are stronger in ironCorrect
(D)None of the above

Answer: (C)

Solution

Iron, a transition metal, has partially-filled -orbitals that participate in metallic bonding alongside the -electrons, delocalizing more electrons per atom into the "electron sea" and creating much

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Question ID VK-133638