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Classifications |
Alternate Names | None |
Names of Allotropes | None |
Block | f |
Group | N/A |
Period | 7 |
Series | Actinide |
Electron Configuration | [Rn]7s25f9 |
Color | N/A |
Discovery | 1949 in The United States |
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Gas phase | N/A |
CAS Number | CAS7440-40-6 |
CID Number | |
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 | N/A |
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 | 1379.375951294 y |
Lifetime | 1991.37493658 y |
Decay Mode | AlphaEmission |
Quantum Numbers | 6H15/2 |
Neutron Cross Section | 710 |
Neutron Mass Absorption | N/A |
Known Isotopes | 235Bk, 236Bk, 237Bk, 238Bk, 239Bk, 240Bk, 241Bk, 242Bk, 243Bk, 244Bk, 245Bk, 246Bk, 247Bk, 248Bk, 249Bk, 250Bk, 251Bk, 252Bk, 253Bk, 254Bk |
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Stable Isotopes | |
Isotopic Abundances | |
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