| Element (Atom) Name | Ruthenium |
| Symbol | Ru |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | None |
| Period Number (Periodic table) | 5 |
| Group number (Periodic table) | 8 |
| Atomic number | 44 |
| Atomic weight | 101.07 (Ref: Jlab-ele044, ciaaw-ruthenium, Nist-44) 101.1 (Ref: Lanl-44) |
| Atomic Radius | 207 pm (Van der Waals) (Ref: Lanl-44) |
| Density | 12.1 g/cm3 (Ref: Jlab-ele044) |
| Melting point | 2334°C (Ref: Jlab-ele044, Lanl-44) |
| Boiling point | 4150°C (Ref: Jlab-ele044, Lanl-44) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d7 5s2 |
| Oxidation States | +3 (Ref: Jlab-ele044) -4, -2, 1, 2, 3, 4, 5, 6, 7, 8 (a mildly acidic oxide) (Ref: Lanl-44) |
| Ionization Energy | 7.361 eV (Ref: Jlab-ele044) 7.36050 eV (Ref: Nist-44) |
| Number of Stable Isotopes | 7 |
| InChI | InChI=1S/Ru (Ref: Pubchem-44) |
| InChI Key | KJTLSVCANCCWHF-UHFFFAOYSA-N (Ref: Pubchem-44) |
| Remarks |
REFERENCES
- Jlab-ele044: https://education.jlab.org/itselemental/ele044.html
- Lanl-44: https://periodic.lanl.gov/44.shtml
- ciaaw-ruthenium: https://www.ciaaw.org/ruthenium.htm
- Nist-44 : https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=44
- Pubchem-44: https://pubchem.ncbi.nlm.nih.gov/element/44
- science.co.il: https://www.science.co.il/elements/
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