Properties | More Info | Isotopes | Spectra
Compounds | Reactions | Production
Atomic: M.A.C. | Reference
Diagrams: Shell | Atomic Radius | Electron || Images
Neptunium Compounds
Neptunium is a highly radioactive metal. No useful or commercial neptunium compounds exist.
   Neptunium-based superconductor
Neptunium-based superconductor NpPd5Al2
The first neptunium-based superconductor, discovered in Japan in 2007.