Discovered By: Yuri Oganessian
Discovery year: 2010
| Atomic number | 117 | 
| Group | 17 | 
| Period | 7 | 
| Block | p | 
| Electrons | 117 | 
| Protons | 117 | 
| Neutrons | 176 | 
| Oxidation states | n/a | 
| Electrons per shell | K2 L8 M18 N32 O32 P18 Q7 | 
| Electron configuration | 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6 6s^2 4f^14 5d^10 6p^6 7s^2 5f^14 6d^10 7p^5 | 
| Atomic weight | (293) | 
| Radioactive | Yes | 
| Half life | 5*10^-2 s | 
| Lifetime | 7.2*10^-2 s | 

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