97
247 u
Bk
Berkelium
Actinide
Atomic Structure
Physical State
Group
N/A
Period
7
Block
f
Electron Configuration
[Rn] 5f⁹ 7s²
Physical Properties
Atomic Mass:
247 u
Electronegativity:
1.3
Atomic Radius:
170 pm
Ionization Energy:
6.198 eV
Density:
14.78 g/cm³
Melting Point:
1259 K
Boiling Point:
2900 K
Historical Information
Discovered By:
Lawrence Berkeley National Laboratory
Year Discovered:
1949