Sm
Samarium (Atomic Number 62)
Category: lanthanide | Period 6, Group 3 | Block: f
Rare earth metal forming high-temperature permanent magnets.
Atomic & Physical Constants
- Standard Atomic Weight:
- 150.362 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 8, 18, 24, 8, 2
- Electronegativity (Pauling):
- 1.17
- Melting Point:
- 1345 K
- Boiling Point:
- 2173 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Samarium-cobalt magnets, radioisotope cancer palliative therapy
Discovery History
Discovered by Lecoq de Boisbaudran (1879).
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