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| Os |
Osmium |
Os | |
| Atomic number |
|
76 | | Atomic weight | 190.233 amu | | Stable and very long lived isotopes | 187Os: 1.6%, 188Os: 13.3%, 189Os: 16.1%, 190Os: 26.4%, 192Os: 41.0% | | Electronic configuration | 1s22s22p63s23p63d104s24p64d104f145s25p66s25d6 | | Sample compounds | OsO4
OsH4
| | Density |
22.610 g/cm3 (STP) |
| Melting | 3027 °C |
| Boiling | 5027 °C |
| Covalent radius | 1.28 Å |
| Van der Waals radius | Å |
| Ionic radius | 0.63 Å |
| First ionization potential | 8.706 eV = 70218 cm-1 = 840.0 kJ/mol
|
| Electron affinity | -1.099 eV = -8861 cm-1 = -106.0 kJ/mol |
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Wikipedia article about Osmium |
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