monazite vs atomic number 59

monazite and atomic number 59 both are nouns.

Word	Noun	Adjective	Verb	Adverb
monazite	Yes	No	No	No
atomic number 59	Yes	No	No	No

monazite (noun)	atomic number 59 (noun)
a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium	a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process