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| 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
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| 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 |
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Discoverer
| Year of discovery |
Discoverers |
| 1828 |
Gottfried W. Osann |
| 1844 |
Karl Klaus |
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Czech version