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Curium  SEE PERIODIC TABLE
see article  SEE FULL ARTICLE


Atomic Number96

Atomic SymbolCm

Atomic Weight[247 amu]

GroupRare Earth (Actinide Series)

FormSolid

Density @ STP13.51 g/cm3

Melting Point1345 °C (2453 °F, 1618.15 °K)

Boiling Point3100 °C (5612 °F, 3373.15 °K) (all approx.)

First Ionization Potential6.02 eV

Ground State Electron Configuration5f7 6s2 6p6 6d1 6f2

Oxidation States+3

Selected Radioisotopes244Cm

Crystal StructureHexagonal

Discovered bySeaborg; James; Ghiorso, 1944

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