atomic number 62 vs Sm

atomic number 62 and Sm both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic number 62	Yes	No	No	No
Sm	Yes	No	No	No

As nouns, atomic number 62 and Sm are synonyms defined as:

atomic number 62 and Sm: a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite

Other synonyms of atomic number 62 include samarium.

atomic number 62 (noun)	Sm (noun)
a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite	a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite