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Outer electron layer configuration of the uranium atom is 5f 3 6d 1 7s 2,Ī valence electron. Uranium has four valence states of +3, +4, +5, and +6,Īnd the main valence states are +4 and +6. Uranium is a dense silver-white metal at room temperature the new section of uranium was shiny steel gray, but a black oxide film gradually formed in room temperature air.

Uranium is a Group III b actinide radioactive chemical element, symbol U, atomic number 92, relative atomic mass 238.03, natural element with the largest atomic number and relative atomic mass. The uranium production industry had been firmly established. The Second World Coalition’s nuclear weapons program triggeredĭemand for uranium, and uranium production came into being. By the 1970s, Silicates. Uranium atom can undergo fission reaction and release a largeĪmount of energy so that it can be used in power generation, nuclear weapon Is generally found in the combination of uranium with oxygen, oxides or With strong hardness, high density, ductility, and radioactivity. Uranium The heaviest metal produced naturally. It is silver-white, In addition, there are 12 artificial isotopes (226U ~ 240U). Uranium was discovered in 1789 by Martin Heinrich Klaproth. Uranium compounds were used to color porcelain early and were used as nuclear fuel after nuclear fission was discovered. In nature, all of which are radioactive and have very long half-lives (hundreds of thousands to 4.5 billion years). With an atomic number of 92, and its element symbol is U, which is the heaviest element that can be