Question

Which noble noble gas is the most abundant in atmosphere?

Answer 1

Explanation:

Argon's

Argon's elemental symbol is Ar, and it is the most abundant noble gas in the atmosphere. There's so much Ar in the atmosphere because most of it was produced by a long-lived radioactive isotope of potassium in the earth's crust and released over geologic time.

Answer 2

Argon is the most abundant noble gas in atmosphere.