element 104 vs Rf

element 104 and Rf both are nouns.

Word	Noun	Adjective	Verb	Adverb
element 104	Yes	No	No	No
Rf	Yes	No	No	No

As nouns, element 104 and Rf are synonyms defined as:

element 104 and Rf: a radioactive transuranic element which has been synthesized

Other synonyms of element 104 include atomic number 104, rutherfordium, unnilquadium, Unq.

element 104 (noun)	Rf (noun)
a radioactive transuranic element which has been synthesized	a radioactive transuranic element which has been synthesized