Berkelium
Atomic Number: 97
Symbol: Bk
Atomic Weight: 247.0703
Discovery: G.T. Seaborg, S.G. Tompson, A. Ghiorso 1949 (United States)
Electron Configuration: [Rn] 5f9 7s2
Element Classification: Radioactive Rare Earth (Actinide)
Name Origin: Named after Berkeley, California, where it was discovered.
Density (g/cc): 13.25
Appearance: metallic
Pauling Negativity Number: 1.3
First Ionizing Energy (kJ/mol): (600)
Oxidation States: 4, 3
References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Lange's Handbook of Chemistry (1952), CRC Handbook of Chemistry & Physics (18th Ed.)
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