Atomic number 54
The crossword clue "Atomic number 54" is answered by XENON, a 5-letter entry. Used 6 times across 5 distinct years; most recently in 2013; first recorded in 2000. It appears in 5 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
XENON
5 letters. See every clue for this answer on the XENON answer page.
Used 6 times across 5 distinct years; most recently in 2013; first recorded in 2000. It appears in 5 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for XENON
Every other clue in this collection answered by XENON, most used first.
- Inert gas - used 37 times, most recently in 2026
- Noble gas - used 24 times, most recently in 2025
- Arc lamp gas - used 22 times, most recently in 2026
- Element #54 - used 16 times, most recently in 2026
- One of the noble gases - used 12 times, most recently in 2017
- Colorless gas - used 10 times, most recently in 2026
- Odorless gas - used 9 times, most recently in 2026
- Radio-tube gas - used 8 times, most recently in 2015
- A noble gas - used 7 times, most recently in 2025
- It's a gas - used 7 times, most recently in 2023
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- Page number - FOLIO, used 36 times
- "___ the loneliest number" - ONEIS, used 34 times
- Number of Little Pigs - THREE, used 26 times
- Lucky number - SEVEN, used 22 times
- Old number? - ETHER, used 20 times
- Babe Ruth's number - THREE, used 18 times
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