Clue: Odorless, colorless, inert gas

Answer: ARGON

Length: 5

---

Similar Clues:

• Inert gases: Abbr. (KRS with 3 letters)
• Colorless, odorless alkane (ETHANE with 6 letters)
• Inert gaseous element (ARGON with 5 letters)
• Colorless gases (XENONS with 6 letters)
• Colorless, gaseous element (e.g. NEON with 4 letters)
• One of the six inert gasses (NEON with 4 letters)
• One of the inert gases (NEON with 4 letters)
• Colorless, odorless gas (ETHANE with 6 letters)
• Colorless, odorless gas used as fuel (ETHANE with 6 letters)
• Inert gases (NEONS with 5 letters)