Argon, Neon or Helium
This page is the CodyCross answer for the clue below from Trip to Spain, Group 848, Puzzle 2 (Ski Resorts).
Question is: Argon, Neon or Helium
and the answer is: NOBLEGAS
Word Meaning:
NOBLE GAS — (chemistry) Any of the elements of group 18 of the periodic table, being monatomic, usually inert (with very limited exceptions), and gaseous at familiar temperatures.
Definitions from Wiktionary.