Characteristics of the element
| Symbol: Rg |
| Name: Roentgenium |
| Latin name: Roentgenium |
| Atomic number: 111 |
| Atomic mass: 272 |
| Melting point: ----- (°C) |
| Boiling point: ----- (°C) |
| Density ----- (g/cm 3 ) |
| Electronegativity: ----- |
| Oxidation number: ----- |
| Number of neutrons: 161 |
| Crystal structure: ----- |
| Chemical serie: Transition metals |
| Color: ----- |
| Electron configuration: 2-8-18-32-32-18-1 |
| Year of discovery:: 1994 |
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Update: 26.11.25
Update: 26.11.25