atomic number 23 vs vanadium

atomic number 23 and vanadium both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic number 23	Yes	No	No	No
vanadium	Yes	No	No	No

As nouns, atomic number 23 and vanadium are synonyms defined as:

atomic number 23 and vanadium: a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite

Other synonyms of atomic number 23 include V.

atomic number 23 (noun)	vanadium (noun)
a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite	a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite