![]()
| Element (Atom) Name | Lutetium |
| Symbol | Lu |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | Lanthanide |
| Period Number (Periodic table) | 6 |
| Group number (Periodic table) | 3 |
| Atomic number | 71 |
| Atomic weight | 174.9668 (Ref: Jlab-ele071, ciaaw-lutetium, Nist-71) 175.0 (Ref: Lanl-71) |
| Atomic Radius | 221 pm (Van der Waals) (Ref: Lanl-71) |
| Density | 9.84 g/cm3 (Ref: Jlab-ele071) |
| Melting point | 1663°C (Ref: Jlab-ele071) 1652 °C (Ref: Lanl-71) |
| Boiling point | 3402°C (Ref: Jlab-ele071) 3402 °C (Ref: Lanl-71) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d1 6s2 |
| Oxidation States | +3 (Ref: Jlab-ele071) 3, 2, 1 (a weakly basic oxide) (Ref: Lanl-71) |
| Ionization Energy | 5.426 eV (Ref: Jlab-ele071) 5.425871 eV (Ref: Nist-71) |
| Number of Stable Isotopes | 1 |
| InChI | InChI=1S/Lu (Ref: Pubchem-71) |
| InChI Key | OHSVLFRHMCKCQY-UHFFFAOYSA-N (Ref: Pubchem-71) |
| Remarks |
REFERENCES
- Jlab-ele071: https://education.jlab.org/itselemental/ele071.html
- Lanl-71: https://periodic.lanl.gov/71.shtml
- ciaaw-lutetium: https://www.ciaaw.org/lutetium.htm
- Nist-71: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=71
- Pubchem-71: https://pubchem.ncbi.nlm.nih.gov/element/71
- science.co.il: https://www.science.co.il/elements/