Bk
Berkelium
97
Atomic Number: 97
Atomic mass: [247]
Ionization energy: 601
Electronaffinity:
Covalent radius:
Calculated radius:
Empirical radius:
Vanderwaals radius:
Electronegativity: 1.3
Density: 14.78
Oxidation states: 3, 4
Melting point: 1323
Boiling point:
Electron configuration: [Rn] 5f9 7s2
Element group: 12
Element period: 9

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