Why metals are good conductors of electricity?

Answer 1

When an external influence of electrons is passed through a copper wire, the copper's electrons find it repulsive and move away from each other. This is why metals are excellent conductors because the atoms in a metal form a matrix through which their outer electrons can move freely. Instead of orbiting their respective metal atoms, they form a "sea" of electrons that surrounds the positively charged atomic nuclei of the interacting metal ions. The electrons then move freely throughout the electron sea.

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Answer 2

Serenity Allen

Because they contain a lot of free electrons that can readily move within the material in response to an electric field, metals are good electrical conductors. This allows current to flow through the material.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.