 Periodic Table  | Berkelium | Symbol | Bk | | Atomic Number | 97 | Relative Atomic Mass 12C = 12.0000 | [ 247 ] 247.0703 | | Significant Atomic Mass | 248 Neutrons 151 | | Atomic Radius pm | 170 | First Ionisation Energy kJ mol -1 | 601 | | Electronegativity | 1.3 | | Density kg m -3 | 14790 [293 K] | | Molar Volume cm 3 | 16.70 | Thermal Conductivity W m -1 K -1 | 10 [300 K] (est.) | | Melting Point K | 1320 | | Boiling Point K | - | | Number of Isotopes | 15 |  | 247 Bk 1.4x103 year 249 Bk 3.20x102 day | | Inner + outer Shells | | | Inner + outer Orbitals | | | Filling Orbital | | | Ground State Electron Configuration | | | | Ground State Electron Configuration with free Orbitals (n= 21 ) |  | | | Ground State Electron Configuration with compressed Orbitals (n= 162 ) |  | | | | Singularity | | | | | | s | p | d | f | g | h | i | j | 1 | 2 | | | | | | | | 2 | 2 | 6 | | | | | | | 3 | 2 | 6 | 10 | | | | | | 4 | 2 | 6 | 10 | 14 | | | | | 5 | 2 | 6 | 10 | 9 | 5 | 18 | | | | 6 | 2 | 6 | 10 | 14 | 18 | 22 | | | 7 | 2 | 6 | 10 | 14 | 18 | 22 | 26 | | 8 | | | | | | | | |
| | | | Term Symbol | 6H 15/2 | | CAS Reg-ID: | 7440-40-6 | | Discovery | Discovered by S.G. Thompson, A. Ghiorso and G.T. Seaborg (Berkeley, USA) in 1949
| | Name derived from | Named after Berkely
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