bromine vs atomic number 35

bromine and atomic number 35 both are nouns.

Word	Noun	Adjective	Verb	Adverb
bromine	Yes	No	No	No
atomic number 35	Yes	No	No	No

As nouns, bromine and atomic number 35 are synonyms defined as:

bromine and atomic number 35: a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water

Other synonyms of bromine include Br.

bromine (noun)	atomic number 35 (noun)
a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water	a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water