Noble gases have zero electron activity, why?

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Chemistry

Kiera Reid

18 October, 09:57

Noble gases have zero electron activity, why?

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Kaylah Cole · Answer 1

This is because all of the Noble Gases have complete valence electron shells. Most elements 'want' to have a complete electron shell with 8 electrons. Since the Noble Gases already have that 'perfect status' then they have an affinity of 0. Affinity is the change in energy of the atom when an electron is added.