Xenon, Helium or Neon Are Each This

This page is the CodyCross answer for the clue below from California, Group 1152, Puzzle 1 (Almond Capital).

Question is: Xenon, Helium or Neon Are Each This

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.