pitchblende vs atomic number 92

pitchblende and atomic number 92 both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitchblende	Yes	No	No	No
atomic number 92	Yes	No	No	No

pitchblende (noun)	atomic number 92 (noun)
a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore	a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons