Letters that make neptunium
e, n, p, m, t, i, u are letters that make 'neptunium'
e, n, p, m, t, i, u are letters that make 'neptunium'
1 possible definitions for 'neptunium'
Under this definition, neptunium is a noun and has the following properties:
Np, atomic number 93 have the same meaning as 'neptunium'
'neptunium' can be a type of metallic element, metal.