#96 Curium

Curium is a hard, brittle, silvery metal that tarnishes slowly in dry air at room temperature. Curium does not occur naturally; it is typically produced artificially in nuclear reactors through successive neutron captures by plutonium and americium isotopes.

Atomic mass:(247.0) amu

Melting point:1340.0 C (1613.15 K, 2444.0 F)

Boiling point:Unknown

Density:293 K:13.511 g/cm3