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Ruthenium is a chemical element; it has symbol Ru and atomic number 44. It is a rare transition metal belonging to the platinum group of the periodic table. Like the other metals of the platinum group, ruthenium is unreactive to most chemicals. Karl Ernst Claus, a Russian scientist of Baltic-German ancestry, discovered the element in 1844 at Kazan State…
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Ruthenium | 100Ru | 12.6% | 1.00 | infobox |
| Ruthenium | 101Ru | 17.1% | 1.00 | infobox |
| Ruthenium | 102Ru | 31.6% | 1.00 | infobox |
| Ruthenium | 103Ru | synth | 1.00 | infobox |
| Ruthenium | 104Ru | 18.6% | 1.00 | infobox |
| Ruthenium | 106Ru | synth | 1.00 | infobox |
| Ruthenium | 96Ru | 5.54% | 1.00 | infobox |
| Ruthenium | 97Ru | synth | 1.00 | infobox |
| Ruthenium | 98Ru | 1.87% | 1.00 | infobox |
| Ruthenium | 99Ru | 12.8% | 1.00 | infobox |
| Ruthenium | Appearance | silvery white metallic | 1.00 | infobox |
| Ruthenium | at T (K) | 2588 | 1.00 | infobox |
| Ruthenium | Atomic number (Z) | 44 | 1.00 | infobox |
| Ruthenium | Atomic radius | empirical: 134 pm | 1.00 | infobox |
| Ruthenium | Block | d-block | 1.00 | infobox |
| Ruthenium | Boiling point | 4423 K (4150 °C, 7502 °F) | 1.00 | infobox |
| Ruthenium | Brinell hardness | 2160 MPa | 1.00 | infobox |
| Ruthenium | Bulk modulus | 220 GPa | 1.00 | infobox |
| Ruthenium | CAS Number | 7440-18-8 | 1.00 | infobox |
| Ruthenium | Covalent radius | 146±7 pm | 1.00 | infobox |
| Ruthenium | Crystal structure | hexagonal close-packed (hcp) (hP2) | 1.00 | infobox |
| Ruthenium | Density (at 20° C) | 12.364 g/cm3 | 1.00 | infobox |
| Ruthenium | Discovery and first isolation | Karl Ernst Claus (1844) | 1.00 | infobox |
| Ruthenium | Electrical resistivity | 71 nΩ⋅m (at 0 °C) | 1.00 | infobox |
| Ruthenium | Electron configuration | [Kr] 4d7 5s1 | 1.00 | infobox |
| Ruthenium | Electronegativity | Pauling scale: 2.2 | 1.00 | infobox |
| Ruthenium | Electrons per shell | 2, 8, 18, 15, 1 | 1.00 | infobox |
| Ruthenium | Group | group 8 | 1.00 | infobox |
| Ruthenium | Heat of fusion | 38.59 kJ/mol | 1.00 | infobox |
| Ruthenium | Heat of vaporization | 619 kJ/mol | 1.00 | infobox |
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