Answer: argons

AnswerCrossword Clue
ARGONSSome lasers
ARGONSInert gases
ARGONSSome lasers used in laser shows
ARGONSAtoms in some light bulbs
argonsARGON, inert gas
argonscolorless, odorless, chemically inactive, monatomic, gaseous element that, because of its inertness, is used for filling fluorescent and incandescent lamps and vacuum tubes. Symbol: Ar; at. no.: 18; at. wt.: 39.948