Al (s) apex
That would be water.
Copper is a good conductor of electricity due to its high electrical conductivity. It is not effective as an insulator because it allows electricity to flow easily through it. Therefore, a copper pipe would work better as a conductor rather than an insulator.
Nitrogen is not a good electrical conductor.
A copper pipe would be better as a conductor due to copper's high electrical conductivity. It would allow electric current to flow efficiently through the pipe, making it a good choice for applications where electrical conductivity is important.
Conductor
NO.
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Yes, gold is a very good conductor
Carbon in the form of graphite is used as an electrical conductor (the brushes in electric motors)
Aluminum (Al) would be a good electrical conductor due to its high conductivity. Carbon (C) in the form of graphite can also conduct electricity well. However, potassium chloride (KCl) in solid form is not a good conductor of electricity.
Metals such as copper, silver, and gold are good electrical conductors due to their ability to easily allow the flow of electric charge. Graphite, a form of carbon, is also a good conductor. In general, materials with high electrical conductivity and free-moving electrons are good electrical conductors.
Oxygen. Carbon as diamond is a good electrical insulator, (graphite is an electrical conductor), silicon is a semiconductor so has limited electrical conductivity and aluminium is a metal and a good electrical conductor.