Question

what is meant by a free electron​

Answer 1

Answer:

1 : an electron within a conducting substance (as a metal) but not permanently attached to any atom. 2 : an electron moving in a vacuum.

Explanation:

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Answer 2

Explanation:

Metals atoms have loose electrons in the outer shells, which form a 'sea' of delocalised or free negative charge around the close-packed positive ions. These loose electrons are called Free Electrons. They can move freely throughout the metallic structure.