atomic number 10 vs argonon

atomic number 10 and argonon both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic number 10	Yes	No	No	No
argonon	Yes	No	No	No

As nouns, argonon is a hypernym of atomic number 10; that is, argonon is a word with a broader meaning than atomic number 10:

atomic number 10: a colorless odorless gaseous element that gives a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts
argonon: any of the chemically inert gaseous elements of the helium group in the periodic table

Other hypernyms of atomic number 10 include inert gas, noble gas.

atomic number 10 (noun)	argonon (noun)
a colorless odorless gaseous element that gives a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts	any of the chemically inert gaseous elements of the helium group in the periodic table