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Classifications |
Alternate Names | None |
Names of Allotropes | None |
Block | f |
Group | N/A |
Period | 7 |
Series | Actinide |
Electron Configuration | [Rn]7s25f76d1 |
Color | Silver |
Discovery | 1944 in The United States |
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Gas phase | N/A |
CAS Number | CAS7440-51-9 |
CID Number | N/A |
RTECS Number | N/A |
Electrical properties |
Electrical Type | N/A |
Electrical Conductivity | N/A |
Resistivity | N/A |
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 | N/A |
Covalent Radius | 169 pm |
Van der Waals Radius | N/A |
Crystal Structure | Simple Hexagonal |
Lattice Angles | |
Lattice Constants | |
Space Group Name | P63/mmc |
Space Group Number | 194 |
Nuclear Properties |
Half-Life | 1.560121765601×107 y |
Lifetime | 2.251395230847×107 y |
Decay Mode | AlphaEmission |
Quantum Numbers | 9D2 |
Neutron Cross Section | 60 |
Neutron Mass Absorption | N/A |
Known Isotopes | 233Cm, 234Cm, 235Cm, 236Cm, 237Cm, 238Cm, 239Cm, 240Cm, 241Cm, 242Cm, 243Cm, 244Cm, 245Cm, 246Cm, 247Cm, 248Cm, 249Cm, 250Cm, 251Cm, 252Cm |
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Stable Isotopes | |
Isotopic Abundances | |
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