Answer: xenon

AnswerCrossword Clue
XENON"54" on the periodic table
XENONGas used in strobe lights
XENONAir component
XENONAn inert gas
XENONElement named after the Greek word for "strange"
XENONGas in television tubes
XENONHard-to-combine gas
XENONGas in strobe lights
XENONRadio tube filler
XENONTelevision tube filler
XENONInert gas used in lights
XENONIt might be in the spotlight
XENONAtomic number 54
XENONColorless, inactive gas
XENONHeadlight gas
XENONLight gas
XENONGas present in the Martian atmosphere
XENONGas used in headlights
XENONGas used in plasma screens
XENONUnreactive gas
xenona heavy colorless and relatively inert gaseous element that occurs in air as about one part in 20 million and is used especially in specialized electric lamps (as flashtubes) and in scientific research see element table
XENONRare but useful gas
XENONRadio-tube gas
XENONInert gas
XENONOne of the noble gases
XENONStroboscopic-lamp gas
XENONElement number 54
XENONRare gas
XENONNoble gas
XENONGas used in lasers
XENONColorless gas
XENONArc-lamp gas
XENONRadio tube gas
XENONA noble gas
XENONGas used in high-intensity headlights
XENONIt's under krypton on the periodic table
XENONGas used in arc lamps
XENONIt's a gas
XENONArc lamp gas
XENONFlash lamp gas