Clue: Troublesome gas

Answer: RADON

Length: 5

---

Similar Clues:

• Like noxious gases (FUMY with 4 letters)
• Old U.S. gasoline (ESSO with 4 letters)
• California explorer Gaspar de ____ (PORTOLA with 7 letters)
• Gastroenteritis cause, perhaps (ECOLI with 5 letters)
• Petroleum gases (e.g. ETHENES with 7 letters)
• Gasohol, e.g. (FUEL with 4 letters)
• Gasp (PANT with 4 letters)
• Phrase from Alphonse or Gaston (AFTERYOU with 8 letters)
• Dangerous gaseous element (RADON with 5 letters)
• The Gaslight ___ (ANTHEM with 6 letters)