Question

why some substance are conductor and some are insulator​

Answer 1

Answer:

Metals such as copper typify conductors, while most non-metallic solids are said to be good insulators, having extremely high resistance to the flow of charge through them. ... "Conductor" implies that the outer electrons of the atoms are loosely bound and free to move through the material.

Explanation:

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Answer 2

Answer:

Metals such as copper typify conductors, while most non-metallic solids are said to be good insulators, having extremely high resistance to the flow of charge through them. "Conductor" implies that the outer electrons of the atoms are loosely bound and free to move through the material.

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