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).

Study Samarium with Socratic AI Tutor

Get step-by-step orbital hybridization, oxidation state derivations, and reaction practice questions.

Ask AI Tutor →