neptunium
nep-tu-ni-um
noun
A radioactive metallic chemical element (symbol Np) with atomic number 93.
"Neptunium is a transuranic element."
Thesaurus
Synonyms: atomic number 93, Np
nep-tu-ni-um
A radioactive metallic chemical element (symbol Np) with atomic number 93.
"Neptunium is a transuranic element."
Synonyms: atomic number 93, Np