Ununpentium
| Atomic Number: | 115 | Atomic Radius: | — |
| Atomic Symbol: | Uup (temporary) | Melting Point: | — |
| Atomic Weight: | — | Boiling Point: | — |
| Electron Configuration: | — | Oxidation States: | — |
History
Ununpentium is officially unnamed and has the temporary symbol Uup and atomic number 115. It was first reported in 2003 by Russian scientists at Dubna (Joint Institute for Nuclear Research), and American scientists at the Lawrence Livermore National Laboratory.