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Element 96 - Curium (Cm) sound

In honor of Pierre and Marie Curie, pioneers in the field of radioactivity; discovered 1944. Curium, with a half-life of 19 years, is a decay product of americium. Curium hydroxide was the first known curium compound.

Properties

Atomic Number: 96
Atomic Weight: (247)
Electron Configuration (at ground state): 1s22s22p63s23p63d104s24p64d105s25p64f145d105f76s26p66d17s2
Oxidation States (Bold most stable): +3
Melting Point (K): 1620
Density (at 300K -- g/cm3): 13.5
Atomic Volume (at 300K -- cm3/mol) 18.3
Mass Number (Bold naturally occurring) -- Half-Life -- Disintigration Type: 242 -- 163.2 days -- alpha particle emission
244 -- 18.12 years -- alpha particle emission
247 -- 1.55 x 107 years -- alpha particle emission
248 -- 3.5 x 105 years -- alpha particle emission, spontaneous fission
First Ionization Potential (V): 6.02
Electronegativity (Pauling's): 1.3
Thermal Conductivity (at 300K -- W m-1 K-1): 10
Acid-Base Properties: Amphoteric