| Element (Atom) Name | Osmium |
| Symbol | Os |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | None |
| Period Number (Periodic table) | 6 |
| Group number (Periodic table) | 8 |
| Atomic number | 76 |
| Atomic weight | 190.23 (Ref: Jlab-ele076, ciaaw-rhenium, Nist-76) 190.2 (Ref: Lanl-76) |
| Atomic Radius | 216 pm (Van der Waals) (Ref: Lanl-76) |
| Density | 22.57 g/cm3 (Ref: Jlab-ele076) |
| Melting point | 3033°C (Ref: Jlab-ele076, Lanl-76) |
| Boiling point | 5012°C (Ref: Jlab-ele076, Lanl-76) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d6 6s2 |
| Oxidation States | +4, +3 (Ref: Jlab-ele076) 8, 7, 6, 5, 4, 3, 2, 1, 0, −1, −2, −4 (a mildly acidic oxide) (Ref: Lanl-76) |
| Ionization Energy | 8.7 eV (Ref: Jlab-ele076) 8.43823 eV (Ref: Nist-76) |
| Number of Stable Isotopes | 5 |
| InChI | InChI=1S/Os (Ref: Pubchem-76) |
| InChI Key | SYQBFIAQOQZEGI-UHFFFAOYSA-N (Ref: Pubchem-76) |
| Remarks |
REFERENCES
- Jlab-ele076: https://education.jlab.org/itselemental/ele076.html
- Lanl-76: https://periodic.lanl.gov/76.shtml
- ciaaw-rhenium: https://www.ciaaw.org/rhenium.htm
- Nist-76: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=76
- Pubchem-76: https://pubchem.ncbi.nlm.nih.gov/element/76
- science.co.il: https://www.science.co.il/elements/
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