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| Atomic Number | 97 |
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| Atomic Symbol | Bk |
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| Atomic Weight | [247 amu] |
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| Group | Rare Earth (Actinide Series) |
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| Form | Solid |
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| Density @ STP | 13.25 g/cm3 |
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| Melting Point | 986 °C (1806.8 °F, 1259.15 °K) |
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| First Ionization Potential | 6.23 eV |
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| Ground State Electron Configuration | 5f9 6s2 6p6 6f2 |
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| Oxidation States | +3, +4 |
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| Selected Radioisotopes | 249Bk |
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| Crystal Structure | Hexagonal |
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| Discovered by | Thompson; Ghiorso; Seaborg, 1949 |
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