Related Clues:

• Chemical element
• Hazardous gas
• Sign of the times
• Home health hazard
• Gas in a sign
• Chrysler Corporation car
• Motel sign
• Sign of nightlife
• Element whose name comes from Greek for 'inactive'
• 'Open late' sign, maybe
• Glass gas
• Element found in none
• Periodic table's no. 10
• Gas at a diner
• Storefront light