| name | Ruthenium |
| latin | Ruthenium |
| french | Ruthénium |
| german | Ruthenium |
| symbol | Ru |
| proton number | 44 |
| atomic weight | 101.07 |
| Pauling electronegativity | 2.2 |
| electronic configuration | [Kr] 4d75s1 1s22s22p63s23p63d104s24p64d75s1 |
| melting point | 2607 K, 2334°C, 4233°F |
| boiling point | 4423 K, 4150°C, 7502°F |
| group | 8 |
| period | 5 |
| state (by 20°C) | solid |
| oxidation states | +3, +4, +6, +8 |
| Year of discovery | Discoverers |
| 1828 | Gottfried W. Osann |
| 1844 | Karl Klaus |