What do He, Ne, and Ar have in common?
1 Answer
Nov 18, 2016
They are all noble gases.
Explanation:
They both have their outer electron shell filled, so they have no tendency to acquire or lose an electron.
(He 2, Ne 2-8, Ar 2-8-8)
Therefore, they are very unreactive, a reason they are also called inert gases.
