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InterviewSolution
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Metals are very good electrical conductors. Why? |
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Answer» 1. The bonding in metal is explained by molecular orbital theory. As per this theory. the atomic orbitals of large number of atoms in a crystal overlap to form numerous bonding and anti-bonding molecular orbitals without any band gap. 2. The bonding molecular orbitals are completely filled with an electron pair in each, and the anti-bonding molecular orbitals are empty. 3. Absence of band gap accounts for high electrical conductivity of metals. |
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