atomic number 100 vs fermium

atomic number 100 and fermium both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic number 100	Yes	No	No	No
fermium	Yes	No	No	No

As nouns, atomic number 100 and fermium are synonyms defined as:

atomic number 100 and fermium: a radioactive transuranic metallic element produced by bombarding plutonium with neutrons

Other synonyms of atomic number 100 include Fm.

atomic number 100 (noun)	fermium (noun)
a radioactive transuranic metallic element produced by bombarding plutonium with neutrons	a radioactive transuranic metallic element produced by bombarding plutonium with neutrons