atomic number 38 vs Sr

atomic number 38 and Sr both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic number 38	Yes	No	No	No
Sr	Yes	No	No	No

As nouns, atomic number 38 and Sr are synonyms defined as:

atomic number 38 and Sr: a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite

Other synonyms of atomic number 38 include strontium.

atomic number 38 (noun)	Sr (noun)
a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite	a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite