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Which of the following does not apply to metallic bond?

1. Overlapping valence orbitals
2. Mobile valency electrons
3. Delocalized electrons
4. Highly directed bonds

Correct answer: Highly directed bonds

Solution

Metallic bonds are characterized by delocalized electrons and overlapping valence orbitals, but they are not highly directed like covalent bonds, as metallic bonding is non-directional.

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