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Americium (Am)

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Atomic Number: 95

Atomic Weight: 243

Melting Point: 994

Boiling Point: 2607

Specific Gravity: 13.67

Valences: 2,3,4,5 or 6

Americium was produced in 1944 by Seaborg, James, Morgan, and Ghiorso in Chicago. Americium is a radioactive metal that emits gamma rays. Therefore it is a portable source of gamma radiography. Americium is used in the flat glass industry to measure glass thickness. It is named in honour of the Americas. [LM] {RW}

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