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Element 97 - Berkelium (Bk) sound

After Berkeley, the home of the University of California, whose scientists have detected all 11 of the transuranium elements; discovered 1949. Many infinitesimal samples of berkelium have been prepared.

Properties

Atomic Number: 97
Atomic Weight: (247)
Electron Configuration (at ground state): 1s22s22p63s23p63d104s24p64d105s25p64f145d105f86s26p66d17s2
Oxidation States (Bold most stable): +4, +3
Density (at 300K -- g/cm3): 14
Mass Number (Bold naturally occurring) -- Half-Life -- Disintigration Type: 247 -- 1.4 x 103 years -- alpha particle emission
First Ionization Potential (V): 6.23
Electronegativity (Pauling's): 1.3
Thermal Conductivity (at 300K -- W m-1 K-1): 10