Question

Which solid is conductive?

Covalent Network solid

Metallic solid

Ionic solid

Molecular solid

Answer 1

covalent network solids is poor electrical conductivity, since there are no delocalized electrons. When molten, unlike ionic compounds,

Because the electrons are delocalized, metallic solids tend to be good conductors of electricity (moving electrons). Examples of metallic solids include, copper, gold, zinc

Ionic compounds conduct electricity when molten (liquid) or in aqueous solution (dissolved in water), because their ions are free to move from place to place. Ionic compounds cannot conduct electricity when solid, as their ions are held in fixed positions and cannot move.

Since molecular solids are held together by relatively weak forces they tend to have low melting and boiling points, low mechanical strength, low electrical conductivity, and poor thermal conductivity.

Therefore correct option is Metallic solid

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