96Cm

Curium

Actinide

Curium (Cm) is element 96, an actinide, in period 7 of the periodic table. Its atomic mass is usually given as 247, it melts at 1345 °C and boils at 3110 °C. Discovered by Glenn T. Seaborg, 1944.

Atomic Number96

SymbolCm

NameCurium

Atomic Weight247 u

CategoryActinide

Period7

Melting Point1345 °C

Boiling Point3110 °C

Density13.51 g/cm³

Electron Config[Rn] 5f7 6d1 7s2

Discovered ByGlenn T. Seaborg, 1944

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