NO.
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.
No, oxygen is not a conductor of electricity because its in the air.
Nitrogen is not a good electrical conductor.
Conductor
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No, oxygen itself is not a good conductor of electricity, even when mixed with water. Water itself is a poor conductor of electricity, unless it contains dissolved ions or impurities that can carry electrical charge.
Yes, gold is a very good conductor
Carbon in the form of graphite is used as an electrical conductor (the brushes in electric motors)
Yes.
Silver is the best electrical conductor. Copper is second. Gold is third. Aluminum is a good conductor but not for house wiring. It is used for high tension wires.
No, CO2 is not a good electrical conductor. It is a poor conductor of electricity since its molecular structure does not allow the easy flow of electrons necessary for conducting electricity.
A *ferrous* metal is a good conductor, but not as good as copper, silver or aluminum.