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Berkelium is a synthetic chemical element; it has symbol Bk and atomic number 97. It is a member of the actinide and transuranium element series. It is named after the city of Berkeley, California, the location of the Lawrence Berkeley National Laboratory (then the University of California Radiation Laboratory) where it was discovered in December 1949.…
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isotope iii nuclear berkelium-249 produced curium californium actinides element elements alpha first half-life reactor oxidation americium chemical phase laboratory isotopes
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Berkelium | 245Bk | synth | 1.00 | infobox |
| Berkelium | 246Bk | synth | 1.00 | infobox |
| Berkelium | 247Bk | synth | 1.00 | infobox |
| Berkelium | 248Bk | synth | 1.00 | infobox |
| Berkelium | 249Bk | synth | 1.00 | infobox |
| Berkelium | Appearance | silvery | 1.00 | infobox |
| Berkelium | Atomic number (Z) | 97 | 1.00 | infobox |
| Berkelium | Atomic radius | empirical: 170 pm | 1.00 | infobox |
| Berkelium | Block | f-block | 1.00 | infobox |
| Berkelium | Boiling point | beta: 2900 K (2627 °C, 4760 °F) | 1.00 | infobox |
| Berkelium | CAS Number | 7440-40-6 | 1.00 | infobox |
| Berkelium | Crystal structure | double hexagonal close-packed (dhcp) | 1.00 | infobox |
| Berkelium | Density (near r.t.) | alpha: 14.78 g/cm3 beta: 13.25 g/cm3 | 1.00 | infobox |
| Berkelium | Discovery | Lawrence Berkeley National Laboratory (1949) | 1.00 | infobox |
| Berkelium | Electron configuration | [Rn] 5f9 7s2 | 1.00 | infobox |
| Berkelium | Electronegativity | Pauling scale: 1.3 | 1.00 | infobox |
| Berkelium | Electrons per shell | 2, 8, 18, 32, 27, 8, 2 | 1.00 | infobox |
| Berkelium | Group | f-block groups (no number) | 1.00 | infobox |
| Berkelium | Heat of fusion | 7.92 kJ/mol (calculated) | 1.00 | infobox |
| Berkelium | Ionization energies | 1st: 601 kJ/mol | 1.00 | infobox |
| Berkelium | Magnetic ordering | paramagnetic | 1.00 | infobox |
| Berkelium | Main isotopes | .mw-parser-output .isotopes-table{text-align:center;width:100%;border-collapse:collapse;margin:0;padding:0}.mw-parser-output .isotopes-table-headers>:not(:first-child){padding:0… | 1.00 | infobox |
| Berkelium | Melting point | beta: 1259 K (986 °C, 1807 °F) | 1.00 | infobox |
| Berkelium | Naming | after Berkeley, California, where it was discovered | 1.00 | infobox |
| Berkelium | Natural occurrence | synthetic | 1.00 | infobox |
| Berkelium | Oxidation states | common: +3 +2, +4, +5 | 1.00 | infobox |
| Berkelium | Period | period 7 | 1.00 | infobox |
| Berkelium | Phase .mw-parser-output .nobold{font-weight:normal}at STP | solid | 1.00 | infobox |
| Berkelium | Pronunciation | /bərˈkiːliəm/ ⓘ (bər-KEE-lee-əm) | 1.00 | infobox |
| Berkelium | Pronunciation | /ˈbɜːrkliəm/ ⓘ (BUR-klee-əm) | 1.00 | infobox |
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