Helium — synonyms, definition

1. helium (Noun)

2 synonyms
He atomic number 2
1 definition

helium (Noun) — A very light colourless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas).

5 types of
argonon chemical element element inert gas noble gas