Question

the delocalised electrons conduct electricity through

Answer 1

There is a similarity in that atomic orbitals from several atoms overlap and produce energy levels/orbitals that extend over several atoms. Up to 6 atoms in the case of benzene and billions and more in the case of a lump of metal.

Also, the direction of overlap is restricted to a plane a 6 membered benzene ring is planar. The delocalisation in metals extends in all directions.

I suppose the difference exceed the sililarites in that if you look at the physicsal properties of benzene and a metal, you will see that the metal is a typical of a giant structure and the benzene seems typical of a comparatively small molecular structure.

The delocalistaion in graphite (also made of hexagonal benzene type rings) and metals is more similar. Physical properties show graphite to be a shiny solid which conduct electricity quite well.

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Answer 2

Electric current is the flow of electrons in a wire. In metals, the outer electrons of the atoms belong to a 'cloud' of delocalised electrons. They are no longer firmly held by a specific atom, but instead they can move freely through the lattice of positive metal ions.

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