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Classifications |
Alternate Names | None |
Names of Allotropes | None |
Block | f |
Group | N/A |
Period | 6 |
Series | Lanthanide |
Electron Configuration | [Xe]6s24f6 |
Color | Silver |
Discovery | |
Gas phase | N/A |
CAS Number | CAS7440-19-9 |
CID Number | |
RTECS Number | N/A |
Electrical properties |
Electrical Type | Conductor |
Electrical Conductivity | 1.1×106 S/m |
Resistivity | 9.4×10-7 m Ω |
Superconducting Point | N/A |
Magnetic properties |
Magnetic Type | Paramagnetic |
Curie Point | N/A |
Mass Magnetic Susceptibility | 1.11×10-7 m3/Kg |
Molar Magnetic Susceptibility | 1.669×10-8 m3/mol |
Volume Magnetic Susceptibility | 0.00081618 |
Abundances |
% in Universe | 5×10-7% |
% in Sun | 1×10-7% |
% in Meteorites | 0.000017% |
% in Earth's Crust | 0.0006% |
% in Oceans | 4.5×10-11% |
% in Humans | N/A |
Atomic dimensions and structure |
Atomic Radius | 238 pm |
Covalent Radius | 198 pm |
Van der Waals Radius | N/A |
Crystal Structure | Simple Trigonal |
Lattice Angles | |
Lattice Constants | |
Space Group Name | R_
3m |
Space Group Number | 166 |
Nuclear Properties |
Half-Life | Stable |
Lifetime | Stable |
Decay Mode | N/A |
Quantum Numbers | 7F0 |
Neutron Cross Section | 5.9×103 |
Neutron Mass Absorption | 4.7 |
Known Isotopes | 128Sm, 129Sm, 130Sm, 131Sm, 132Sm, 133Sm, 134Sm, 135Sm, 136Sm, 137Sm, 138Sm, 139Sm, 140Sm, 141Sm, 142Sm, 143Sm, 144Sm, 145Sm, 146Sm, 147Sm, 148Sm, 149Sm, 150Sm, 151Sm, 152Sm, 153Sm, 154Sm, 155Sm, 156Sm, 157Sm, 158Sm, 159Sm, 160Sm, 161Sm, 162Sm, 163Sm, 164Sm, 165Sm |
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Stable Isotopes | |
Isotopic Abundances | |
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