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Curium

element

Curium, chemical element, symbol Cm; for physical constants see Periodic Table. Curium is a synthetic, radioactive element, discovered in 1945 by Glenn Seaborg and his co-workers. They produced it by bombarding plutonium-239 with alpha particles. Curium is a silvery, hard, brittle, reactive, metal. It is toxic, accumulating in bones, where it injures red blood cells.

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