atomic number 49 vs indium

atomic number 49 and indium both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic number 49	Yes	No	No	No
indium	Yes	No	No	No

As nouns, atomic number 49 and indium are synonyms defined as:

atomic number 49 and indium: a rare soft silvery metallic element; occurs in small quantities in sphalerite

Other synonyms of atomic number 49 include In.

atomic number 49 (noun)	indium (noun)
a rare soft silvery metallic element; occurs in small quantities in sphalerite	a rare soft silvery metallic element; occurs in small quantities in sphalerite