For neptunium 237 (the most stable isotope): 237, 048 173.
The atomic mass of neptunium-237 is 237,048 173 4(20).The density of alpha neptunium is 20,45 g/cm3.
Neptunium forming the critical mass can explode.
Neptunium forming the critical mass can explode.
The most important isotope of neptunium (237Np) has the atomic mass 237,048 173 4(20).
Any element; neptunium can form himself a critical mass.
Neptunium has 93 protons and electrons.Number of neutrons = Mass number of an isotope - 93
It is for element Neptunium. It's atomic no. is 93 and atomic mass is 237g/mol
Neptunium trifluoride is an intermediate for the preparation of neptunium metal.
Neptunium is a metal.
The three common compounds of neptunium are neptunium dioxide (NpO2), neptunium trichloride (NpCl3), and neptunium tetrafluoride (NpF4).
Neptunium is an individual element; isotopes of neptunium are not separated.
Neptunium(IV) oxide or neptunium dioxide is the chemical compound composed of neptunium and oxygen with the formula NpO2. It forms dark olive[4] green cubic crystals[1].