atomic number 93 vs Np

atomic number 93 and Np both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic number 93	Yes	No	No	No
Np	Yes	No	No	No

As nouns, atomic number 93 and Np are synonyms defined as:

atomic number 93 and Np: a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium

Other synonyms of atomic number 93 include neptunium.

atomic number 93 (noun)	Np (noun)
a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium	a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium