| Technical data for PromethiumClick any property name to see plots of that property for all the elements.
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Classifications |
Alternate Names | None |
Names of Allotropes | None |
Block | f |
Group | N/A |
Period | 6 |
Series | Lanthanide |
Electron Configuration | [Xe]6s24f5 |
Color | Silver |
Discovery | 1945 in The United States |
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Gas phase | N/A |
CAS Number | CAS7440-12-2 |
CID Number | N/A |
RTECS Number | N/A |
Electrical properties |
Electrical Type | Conductor |
Electrical Conductivity | 1.3×106 S/m |
Resistivity | 7.5×10-7 m Ω |
Superconducting Point | N/A |
Magnetic properties |
Magnetic Type | N/A |
Curie Point | N/A |
Mass Magnetic Susceptibility | N/A |
Molar Magnetic Susceptibility | N/A |
Volume Magnetic Susceptibility | N/A |
Abundances |
% in Universe | N/A |
% in Sun | 0% |
% in Meteorites | 0% |
% in Earth's Crust | 0% |
% in Oceans | 0% |
% in Humans | 0% |
Atomic dimensions and structure |
Atomic Radius | 205 pm |
Covalent Radius | 199 pm |
Van der Waals Radius | N/A |
Crystal Structure | N/A |
Lattice Angles | N/A |
Lattice Constants | N/A |
Space Group Name | N/A |
Space Group Number | N/A |
Nuclear Properties |
Half-Life | 17.72577371892 y |
Lifetime | 25.55809233891 y |
Decay Mode | ElectronCapture |
Quantum Numbers | 6H5/2 |
Neutron Cross Section | 8.4×103 |
Neutron Mass Absorption | N/A |
Known Isotopes | 126Pm, 127Pm, 128Pm, 129Pm, 130Pm, 131Pm, 132Pm, 133Pm, 134Pm, 135Pm, 136Pm, 137Pm, 138Pm, 139Pm, 140Pm, 141Pm, 142Pm, 143Pm, 144Pm, 145Pm, 146Pm, 147Pm, 148Pm, 149Pm, 150Pm, 151Pm, 152Pm, 153Pm, 154Pm, 155Pm, 156Pm, 157Pm, 158Pm, 159Pm, 160Pm, 161Pm, 162Pm, 163Pm |
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Stable Isotopes | |
Isotopic Abundances | |
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Up to date, curated data provided by Mathematica's ElementData function from Wolfram Research, Inc.
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