technetium vs atomic number 43

technetium and atomic number 43 both are nouns.

Word	Noun	Adjective	Verb	Adverb
technetium	Yes	No	No	No
atomic number 43	Yes	No	No	No

As nouns, technetium and atomic number 43 are synonyms defined as:

technetium and atomic number 43: a crystalline metallic element not found in nature; occurs as one of the fission products of uranium

Other synonyms of technetium include Tc.

technetium (noun)	atomic number 43 (noun)
a crystalline metallic element not found in nature; occurs as one of the fission products of uranium	a crystalline metallic element not found in nature; occurs as one of the fission products of uranium