U - Uranium

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Electronic configuration Uranium (from the Greek οὐρανός, 'sky') is the chemical element with atomic number 92 and its symbol is U. It is a silvery-white, toxic and radioactive metal; it belongs to the actinide series and its 235U isotope is used as fuel in nuclear reactors and in the production of nuclear weapons. Traces of uranium are present everywhere: in rocks, soil, water and even in living organisms. #U #U92 #Uranium