element 108 vs atomic number 108

element 108 and atomic number 108 both are nouns.

Word	Noun	Adjective	Verb	Adverb
element 108	Yes	No	No	No
atomic number 108	Yes	No	No	No

As nouns, element 108 and atomic number 108 are synonyms defined as:

element 108 and atomic number 108: a radioactive transuranic element, with atomic number 108

Other synonyms of element 108 include hassium, Hs.

element 108 (noun)	atomic number 108 (noun)
a radioactive transuranic element, with atomic number 108	a radioactive transuranic element, with atomic number 108