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What the name means: Americium was named after the American continent.
Who identified americium?: Glenn Theodore Seaborg, Leon Owen Morgan and their co-workers, working in the Metallurgy Laboratory in the University of Chicago, made americium in 1944 by bombarding plutonium atoms with neutrons. The isotope of plutonium that is produced by this bombardment undergoes nuclear fission to form americium as one of the products.
STP = standard temperature and pressure.
About americium: Americium has been produced it kilogramme quantities. It is a silvery-white, radio-active metal.
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