Neptunium
This is an old revision of this page, as edited by JessicaT (talk | contribs) at 21:18, May 10, 2008. It may differ significantly from current revision.
| Neptunium | |
|---|---|
| Properties | |
| Atomic symbol | Np |
| Atomic number | 93 |
| Classification | Metallic |
| Atomic mass | 237 amu |
| Other Information | |
| Date of discovery | 1940 |
| Name of discoverer | Edwin M. McMillan, Philip H. Abelson |
| Name origin | Named after the planet Neptune. |
| Uses | Used in neutron detection instruments. |
| Obtained from | Produced by bombarding uranium with slow neutrons. Although it is present in uranium rich ores, it is not extracted from this source. Not found outside nuclear or research facilities. |