Question

what is the very good conductor of electricity

Answer 1

Silver is the best conductor of electricity because it contains a higher number of movable atoms (free electrons

Answer 2

Hey friend, Harish here.

Here is your answer:

⭐CONDUCTORS:

Those objects which produce more free electrons such that making current easy to flow through them is called conductors.

As Silver (Au) Has more free electrons it makes the path of current easy to flow through it. 

Therefore silver is the best conductor.
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Hope my answer is helpful to you.