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Oganesson (Og)
Atomic number 118 · noble
| Atomic number | 118 |
|---|---|
| Atomic mass | 294.0 u |
| Molar mass | 294.0 g/mol |
| Category | noble |
| Group / period / block | 18 / 7 / p |
| Electron configuration | [Rn] 5f14 6d10 7s2 7p6 |
| Electrons per shell | 2, 8, 18, 32, 32, 18, 8 |
| Density | 7.0 g/cm³ |
Uses
Research only — synthetic, made a few atoms at a time
Discovery
2002, Joint Institute for Nuclear Research