Tennessine is a synthetic chemical element from the periodic table. It is a rare, silvery-white metal that was first created in 2002 through nuclear bombardment of curium. Ununseptium has no commercial applications, but it is used in scientific research to study atomic properties and in the production of transuranic elements.
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| Atomic number | 117 |
| Group | VIIA |
| Period | 7 |
| Mass | 294 |
| Latin name | Ununseptium |
| Electron configuration | [Rn] 7s2 7p5 5f14 6d10 |
| Oxidation state | -1, 0, 1, 3, 5 |