|
|
|
Compounds | Reactions | Production
|
| 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. |