atomic number 105 vs element 105

atomic number 105 and element 105 both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic number 105	Yes	No	No	No
element 105	Yes	No	No	No

As nouns, atomic number 105 and element 105 are synonyms defined as:

atomic number 105 and element 105: a transuranic element with atomic number 105

Other synonyms of atomic number 105 include Db, dubnium, hahnium.

atomic number 105 (noun)	element 105 (noun)
a transuranic element with atomic number 105	a transuranic element with atomic number 105