| Element (Atom) Name | Europium |
| Symbol | Eu |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | Lanthanide |
| Period Number (Periodic table) | 6 |
| Group number (Periodic table) | None |
| Atomic number | 63 |
| Atomic weight | 151.964 (Ref: Jlab-ele063, ciaaw-samarium, Nist-63) 152.0 (Ref: Lanl-63) |
| Atomic Radius | 233 pm (Van der Waals) (Ref: Lanl-63) |
| Density | 5.24 g/cm3 (Ref: Jlab-ele063) |
| Melting point | 822°C (Ref: Jlab-ele063) 826 °C (Ref: Lanl-63) |
| Boiling point | 1529°C (Ref: Jlab-ele063, Lanl-63) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f7 5s2 5p6 6s2 |
| Oxidation States | +3, +2 (Ref: Jlab-ele063) 3, 2, 1 (a mildly basic oxide) (Ref: Lanl-63) |
| Ionization Energy | 5.670 eV (Ref: Jlab-ele063) 5.670385 eV (Ref: Nist-63) |
| Number of Stable Isotopes | 1 |
| InChI | InChI=1S/Eu (Ref: Pubchem-63) |
| InChI Key | OGPBJKLSAFTDLK-UHFFFAOYSA-N (Ref: Pubchem-63) |
| Remarks |
REFERENCES
- Jlab-ele063: https://education.jlab.org/itselemental/ele063.html
- Lanl-63: https://periodic.lanl.gov/63.shtml
- ciaaw-samarium: https://www.ciaaw.org/samarium.htm
- Nist-63: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=63
- Pubchem-63: https://pubchem.ncbi.nlm.nih.gov/element/63
- science.co.il: https://www.science.co.il/elements/
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