| Element (Atom) Name | Holmium |
| Symbol | Ho |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | Lanthanide |
| Period Number (Periodic table) | 6 |
| Group number (Periodic table) | None |
| Atomic number | 67 |
| Atomic weight | 164.93033 (Ref: Jlab-ele067, Nist-67) 164.930328 (Red: ciaaw-holmium) 164.9 (Ref: Lanl-67) |
| Atomic Radius | 216 pm (Van der Waals) (Ref: Lanl-67) |
| Density | 8.80 g/cm3 (Ref: Jlab-ele067) |
| Melting point | 1474°C (Ref: Jlab-ele067) 1461 °C (Ref: Lanl-67) |
| Boiling point | 2700°C (Ref: Jlab-ele067) 2600 °C (Ref: Lanl-67) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f11 5s2 5p6 6s2 |
| Oxidation States | +3 (Ref: Jlab-ele067) 3, 2, 1 (a basic oxide) (Ref: Lanl-67) |
| Ionization Energy | 6.022 eV (Ref: Jlab-ele067) 6.0215 eV (Ref: Nist-67) |
| Number of Stable Isotopes | 1 |
| InChI | InChI=1S/Ho (Ref: Pubchem-67) |
| InChI Key | KJZYNXUDTRRSPN-UHFFFAOYSA-N (Ref: Pubchem-67) |
| Remarks |
REFERENCES
- Jlab-ele067: https://education.jlab.org/itselemental/ele067.html
- Lanl-67: https://periodic.lanl.gov/67.shtml
- ciaaw-holmium: https://www.ciaaw.org/holmium.htm
- Nist-67: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=67
- Pubchem-67: https://pubchem.ncbi.nlm.nih.gov/element/67
- science.co.il: https://www.science.co.il/elements/
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