Berkelium - Bk

Symbol: Bk
Atomic Number: 97
Atomic Weight: 247.0703
Element Classification: Radioactive Rare Earth Element (Actinide Series)
Discovered By: G.T.Seaborg, S.G.Tompson, A.Ghiorso
Discovery Date: 1949 (United States)
Name Origin: Named after Berkeley, California the city of its discovery.

Density (g/cc): 13.25
Melting Point (°K): n/a
Boiling Point (°K): n/a
Appearance: Radionactive synthetic metal
Atomic Radius (pm): 297
Atomic Volume (cc/mol): n/a
Covalent Radius (pm): n/a
Ionic Radius: n/a
Specific Heat (@20°C J/g mol): n/a
Fusion Heat (kJ/mol): n/a
Evaporation Heat (kJ/mol): n/a
Thermal Conductivity (@25°C W/m K):
Debye Temperature (°K): n/a
Pauling Negativity Number: 1.3
First Ionizing Energy (kJ/mol): (600)
Oxidation States: 4, 3
Electronic Configuration: [Rn] 5f9 7s2
Lattice Structure: n/a
Lattice Constant (Å): n/a
Lattice C/A Ratio: n/a

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