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Ru
in WebElements
in X-Ray info
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Ru, 44
ruthenium (English)
ruthénium, m. (French)
Ruthenium, n. (German)
rutenij (Russian)
rutenium (Swedish)
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| Symbol, number | Ru, 44 (metal), Group: 8; 8B |
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| Weight | 101.07 |
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| In Nature | |
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| Discovered | 1808, by J.A. Sniadecki (Lithuania) |
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| Density [kg/m3] | 12370 [293 K] (solid) 10900 [2583 K] (liquid) |
| Molar volume | 8.14 cm3 |
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| Melting Temperature | 2583 K (2310 °C) Enthalpy: 567.8 kJ/mol |
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| Boiling Temperature | 4173 K (3900 °C) Enthalpy: 23.7 kJ/mol |
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| Electrical resistance | 7.6E-8 [273 K] Wm |
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| Thermal | Conductivity: 117 [300 K] W/Km Expansion: 9.1E-6 /K |
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| Ionisation [kJ/mol] |
| M--> |
M+--> |
M2+--> |
M3+--> |
M4+--> |
M5+--> |
M6+--> |
M7+--> |
M8+--> |
M9+-->M10+ |
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| Thermodynamics |
| State |
DfH° |
DfG° |
S° |
CpH |
H°298.15-H°0 |
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[J/Kmol] |
[kJ/mol] |
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| Isotopes |
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Mass |
In nature |
Half-life |
Spin |
m/mN |
NMM |
Decay |
| Ru |
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