Why are electrical wires coated with plastic or rubber?
Plastic or rubber is used as an insulating material to prevent the electric current from escaping and causing shocks.
What is the most ductile metal?
Gold is the most ductile metal. A single gram of gold can be drawn into a wire over 2 kilometers long.
Why are non-metals brittle?
Non-metals are brittle because they have a covalent bond structure, which makes them break easily under stress.
Why are metals good conductors of electricity?
Metals have free electrons that allow electricity to pass through them easily.
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