Word: americium
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Dates: during 1940-1949
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...others: neptunium, No. 93; plutonium, No. 94; americium...
Curium can be made by bombarding plutonium with alpha particles, or americium with neutrons. Now that it has been isolated, the scientists working under the Atomic Energy Commission (the only ones privileged to play around with plutonium and its relatives) can try to build up an Element...
...this point, serious minds took charge again. Last fortnight, at the convention of the American Chemical Society in Atlantic City, Chemist Glenn T. Seaborg, chief human begetter of the two elements, officially named Element 95 "americium" (after the two Americas) and Element 96 "curium" (after the two Curies...