Sm
Samarium amagwiritsa ntchito mphamvu mafunde ndi kuchiritsa kachilombo.
Zochita za Fiziki
| Mafuta | 150.36 u |
| Kuwala | 7.52 g/cm³ |
| Kutentha | 1345.0 K |
| Kutentha | 2067.0 K |
| Kuoneka | Silvery- white metallic |
| State at Room Temp | M'gululi |
Makhalidwe a Chemical
| Electronegativity | 1.17 (Pauling) |
| 1st Ionization Energy | 544.5 kJ/mol |
| Electron Affinity | 15.6 kJ/mol |
| Oxygen | +2, +3 |
Zosankha
| Kusintha kwa ma electron | [Xe] 4f6 6s2 |
| Atomic radius | 180.0 pm |
| Covalent Radius | 198.0 pm |
| Kuwala kwa Van der Waals | 229.0 pm |
Kupeza
| Kupezeka ndi | Lecoq de Boisbaudran |
| Kuzindikira chaka | 1879 |
| Malo | Paris, France |
| Analimbikitsidwa ndi | Amatchedwanso "Samarskite" chifukwa cha mchere wa samarskite womwe umapezeka m'mapiri a Samar. |
Za ine Samarium
Samarium ndi mwamsanga kovuta silvery metal kuti slowly oxidizes mu mpweya. Samarium-cobalt maginito anali oyamba ovuta kwambiri dziko maginito ndi kumakhala kofunika kwa kutentha kwambiri ntchito.
Kugwiritsa ntchito & Maphunziro
Samarium-cobalt magnets, kuchiritsa kachilombo (samarium-153), zida zowongolera ma reactors a nyukiliya, ndi ma catalysts.
Fun Facts
Samarium-cobalt maginito ntchito pa mpaka 700 madigiri C, mopitilira muyeso neodymium maginito, kuwapangitsa kuti ndi zofunika kwa injini za jet.
Isotopes
| Kukula kwa maselo | Kuchuluka | Half-Life | Wolimba |
| 147 | 0.1499% | 1.06e11 years | Si |
| 149 | 0.1382% | - | Yes |
| 150 | 0.0738% | - | Yes |
| 152 | 0.2675% | - | Yes |
Kusintha kwa ma electron
[Xe] 4f6 6s2