element 105 vs atomic number 105

element 105 and atomic number 105 both are nouns.

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

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

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

Other synonyms of element 105 include Db, dubnium, hahnium.

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