Related Clues:
- Inert element
- It lights up when it's excited
- Element into pornography, but not going down
- Either the top or bottom half of this puzzle, figuratively speaking
- Noble gas, atomic number 18
- Vacuum-tube gas
- Bed — hen
- One who works with carpet or bricks
- Working hen
- Bed solicitor missing wife
- Gas in incandescent bulbs
- Old Spanish kingdom lacking a noble element
- Gas, 1% of atmosphere
- Element of technical language avoided by judge
- Unusually early to bed