| Element (Atom) Name | Samarium |
| Symbol | Pm |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | Lanthanide |
| Period Number (Periodic table) | 6 |
| Group number (Periodic table) | None |
| Atomic number | 62 |
| Atomic weight | 150.36 (Ref: Jlab-ele062, ciaaw-samarium, Nist-62)150.4 (Ref: Lanl-62) |
| Atomic Radius | 229 pm (Van der Waals) (Ref: Lanl-62) |
| Density | 7.52 g/cm3 (Ref: Jlab-ele062) |
| Melting point | 1074°C (Ref: Jlab-ele062) 1072°C (Ref: Lanl-62) |
| Boiling point | 1794°C (Ref: Jlab-ele062) 1900 °C (Ref: Lanl-62) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f6 5s2 5p6 6s2 |
| Oxidation States | +3, +2 (Ref: Jlab-ele062) 4, 3, 2, 1 (a mildly basic oxide) (Ref: Lanl-62) |
| Ionization Energy | 5.644 eV (Ref: Jlab-ele062) 5.643722 eV (Ref: Nist-62) |
| Number of Stable Isotopes | 5 |
| InChI | InChI=1S/Sm (Ref: Pubchem-62) |
| InChI Key | KZUNJOHGWZRPMI-UHFFFAOYSA-N (Ref: Pubchem-62) |
| Remarks |
REFERENCES
- Jlab-ele062: https://education.jlab.org/itselemental/ele062.html
- Lanl-62: https://periodic.lanl.gov/62.shtml
- ciaaw-samarium: https://www.ciaaw.org/samarium.htm
- Nist-62: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=62
- Pubchem-62: https://pubchem.ncbi.nlm.nih.gov/element/62
- science.co.il: https://www.science.co.il/elements/
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