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Plutonium


            
             The name of the element I researched was Plutonium.
             element is PU and its atomic number is 94. The name is derived from the planet .
             Pluto. Plutonite is a silvery radioactive metal in the actinide series. The actinide .
             series are radioactive metals, with the atomic numbers 89 through 103. All these .
             members of the actinide series have chemical properties similar to actinium. The .
             elements in this series with atomic numbers greater than 92 are the transuranium .
             elements. Only two transuraium elements occur in nature, these are neptunium and .
             plutonium. They are produced in miniscule amounts by the decay of uranium. .
             Plutonium was first discovered by Glenn Theodore Seaborg, an American .
             chemist. He worked at the University of Chicago during World War II developing .
             the atom bomb. In 1951 Glenn Theodore Seaborg and Edwin M. McMillan shared .
             a Nobel Prize in chemistry for work on the transuranium elements. Seaborg is .
             codiscoverer of the elements plutonium, americium, curium, berkelium, .
             californium, einsteinium, fermium, mendelvium, and nobelium. Glenn Seaborg, .
             Edwin McMillan, Joseph Kennedy and Arthur Wahl discovered, Plutonium at .
             U.C. Berkeley on the night of February 23-24, 1941. They found this plutonium in .
             the form of isotope Plutonium-238. This isotope was produced by the .
             bombardment of uranium with deuterons in the 60-inch cyclotron at U.C. .
             Berkeley.
             One of the many uses for plutonium is the production of nuclear energy. .
             The energy in the nucleus of the PU atom can be released through fission or .
             through fusion. In a fission reaction, a nucleus absorbs a neutron and becomes .
             unstable, then it splits into two nuclei, nearly equal in size. In fusion, two nuclei .
             combine to form one nuclei that is very heavy. Fusion occurs for very heavy .
             nuclei and fission occurs for the lightest nuclei. .
             A different use for plutonium is to power a nuclear reactor. A nuclear .
             reactor is a device that produces a self-sustaining nuclear chain reaction, in which .


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