Related Clues:

• Tube gas
• Bright night light
• Element number 10
• A noble gas
• Nightclub light
• Advertising sign element, perhaps
• Sign of the times
• Gas in a sign
• Chrysler Corporation car
• Motel sign
• Sign of nightlife
• 'Open late' sign, maybe
• Glass gas
• Element found in none
• Periodic table's no. 10