Isle of Man Steam Packet Ferries provide freight, passenger and vehicle services between the port of Douglas and four ports in England, Northern and Southern Ireland.
Rating Newest Oldest. Best Answer: Metals are good conductors because they have unfilled space in the valence energy band. Also,metals are soft, has a low melting point and happens to be reactive taht's why they can easily conduct heat/electricity easily.
So, they obstruct the flow of free electrons, thus reducing the conductivity. In case of non metals, there are no free electrons. So, only the molecular vibrations are responsible for conduction of heat and hence for non metals the conductivity increases with increase in temperature.