Name Argon

There are multiple origins and translations for the name Argon:

1. Greek combination of negative prefix A + "case, activity"="lazy, inactive, sluggish"

Argon is a chemical element with symbol Ar and atomic number 18. It is in group 18 (noble gases) of the periodic table. Argon is the third most common gas in the Earth's atmosphere.

2. Derived from the the world of JRR Tolkie Argon "noble leader".