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1
Q:

Conductivity in a metal results from the metal atoms having

A) highly mobile electrons in the valence shell B) high electronegativity
C) high ionization energy D) highly mobile protons in the nucleus

Answer:   A) highly mobile electrons in the valence shell



Explanation:

The outer most electrons that are free to move are called valency electrons that are responsible for the conductivity in the metal atoms.

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