Periodic Table of the Elements: Ununseptium
| Atomic Number: | 117 |
| Atomic Symbol: | Uus |
| Ununseptiumununseptium , artificially produced radioactive chemical element; symbol Uus; at. no. 117; mass number of most stable isotope 294; m.p., b.p., sp. gr., and valence unknown. ..... Click the link for more information. | |
| Atomic Weight: | (294) |
| Electron Configuration: | 2 · 8 · 18 32 · 32 18 · 7 |