Samarium — Sm
The chemical element Samarium is an element of type Metal lanthanides with the symbol Sm. It has an atomic mass of 150.36 u and an electronic configuration of [Xe] 4f6 6s2.
Synthétique
Radioactif
Liquide
Gaz
1778°
3
8
18
24
8
2
- Atomic number
- 62
- Atomic mass
- 150.36
- Symbol
- Sm
- Melting point
- 1072
- Boiling point
- 1778
- Density
- 7.52
- Period
- 6
- Group
- 0
- Discovery
- 1879 Boisbaudran
- Abundance
- 7.05
- Radius
- 2.6
- Electronegativity
- 1.17
- Ionization
- 5.6437
- Isotope
- 17
- Electronic configuration
- [Xe] 4f6 6s2
- Oxidation state
- 2,3
- Electron
- 2,8,18,24,8,2
Minerals containing Samarium
| first name | Hardness | Density | Chemical formula |
|---|---|---|---|
| Agardite-(Ce) | — | 3.72 | Cu2+6Ce(AsO4)3(OH)6·3H2O |
| Aluminocerite-(Ce) | — | 4.68 | (Ce,Ca)9Al(SiO4)3(SiO3OH)4(OH)3 |
| Arapovite | — | 3.43 | (K1-xx)(Ca,Na)2U4+Si8O20 (x~0.5) |
| Astrocyanite-(Ce) | — | 3.80 | Cu2Ce2(UO2)(CO3)5(OH)2·1.5H2O |
| Biraite-(Ce) | — | 4.76 | Ce2Fe2+Si2O7(CO3) |
| Bussyite-(Ce) | — | 3.00 | (Na,H2O)6(Ce,REE)3Be5MnSi9(O,OH)30F4 |
| Cerite-(La) | — | 4.70 | (La,Ce,Ca)9(Fe3+,Ca,Mg)(SiO4)3(SiO3OH)4(OH)3 |
| Chukhrovite-(Nd) | — | 2.42 | Ca3NdAl2SO4F13·12H2O |
| Decrespignyite-(Y) | — | 3.64 | Y4Cu(CO3)4Cl(OH)5·2H2O |
| Dissakisite-(La) | — | 3.79 | CaLaMgAl2(Si2O7)(SiO4)O(OH) |
| Diversilite-(Ce) | — | 3.68 | Na2Ba6Ce2Fe2+Ti3Si12O36(OH)10·nH2O |
| Florencite-(Sm) | — | 3.74 | SmAl3(PO4)2(OH)6 |
| Fluorbritholite-(Ce) | — | 4.66 | (Ce,Ca)5(SiO4)3F |
| Fluorcalciobritholite | — | 4.20 | (Ca,REE)5(SiO4,PO4)3F |
| Françoisite-(Nd) | — | 4.06 | Nd(UO2)3(PO4)2O(OH)·6H2O |
| Gatelite-(Ce) | — | 4.51 | (Ca,Ce)4(Al,Mg,Fe)4(Si2O7)(SiO4)3(O,F,OH)3 |
| Hingganite-(Ce) | — | 4.28 | BeCe(SiO4)(OH) |
| Hingganite-(Y) | — | 0.00 | BeY(SiO4)(OH) |
| Iwashiroite-(Y) | — | 7.10 | YTaO4 |
| Johnsenite-(Ce) | — | 3.20 | Na12Ce3Ca6Mn3Zr3WSi25O73(CO3)(OH)2 |
| Kozoite-(La) | — | 4.16 | LaCO3(OH) |
| Kozoite-(Nd) | — | 4.77 | NdCO3(OH) |
| Kuannersuite-(Ce) | — | 4.66 | Na2Ce2Ba6(PO4)6FCl |
| Levinsonite-(Y) | — | 2.18 | YAl(SO4)2(C2O4)·12H2O |
| Manganiandrosite-(Ce) | — | 0.00 | Mn2+Ce3+AlMn3+Mn2+(Si2O7)(SiO4)O(OH) |
| Monazite-(Sm) | — | 5.51 | SmPO4 |
| Moskvinite-(Y) | — | 2.91 | Na2KYSi6O15 |
| Paratooite-(La) | — | 0.00 | (La,Ca,Na,Sr)6Cu(CO3)8 |
| Percleveite-(Ce) | — | 5.21 | Ce2Si2O7 |
| Piergorite-(Ce) | — | 0.00 | Ca8Ce2AlLiSi6B8O36(OH)2 |
| Plumboagardite | — | 3.74 | Cu2+6(Pb,La,Nd,Ce,Ca)(AsO4)3(OH)6·3H2O |
| Qaqarssukite-(Ce) | — | 0.00 | BaCe(CO3)2F |
| Samarskite-(Yb) | — | 7.03 | YbNbO4 |
| Schuilingite-(Nd) | — | 5.20 | CuPbNd(CO3)3(OH)·1.5H2O |
| Shabaite-(Nd) | — | 3.13 | CaNd2(UO2)(CO3)4(OH)2·6H2O |
| Tundrite-(Ce) | — | 4.08 | Na2Ce2TiO2SiO4(CO3)2 |
| Uedaite-(Ce) | — | 4.19 | Mn2+CeAl2Fe2+(Si2O7)(SiO4)O(OH) |
| Vanadoandrosite-(Ce) | — | 0.00 | Mn2+CeV3+AlMn2+O(Si2O7)(SiO4)(OH) |
| Västmanlandite-(Ce) | — | 4.51 | Ce3CaMg2Al2Si5O19(OH)2F |
| Wakefieldite-(La) | — | 4.70 | LaVO4 |