Periodic Table of the Elements 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1H1.008 2He4.003 3Li6.939 4Be9.0122 5B10.811 6C12.011 7N14.007 8O15.999 9F18.998 10Ne10.183 11Na22.99 12Mg24.312 13Al26.982 14Si28.086 15P30.974 16S32.064 17Cl35.453 18Ar...
Picture 1: Nuclear fission process An image of the uranium 235 atom being hit by a neutron and then split while releasing radiation and energy. Splitting atoms to create nuclear power All nuclear power plants currently in operation are based on the principle of fission. In nuclear fission, a ...
217U218U219U220U221U222U223U224U225U226U227U228U229U230U231U232U233U234U235U236U237U238U239U240U241U242U 238U Half-life Boson, 92p 146n 4.471080669711×109ySpin 0 Parity 1 Atomic Weight238.050788247 Abundance99.2742% Mass Excess47.308948MeV ...
Uranium is a naturally occurring radioactive element, which has the atomic number of 92 and corresponds to the chemical symbol U in the periodic table. It belongs to a special group of elements called “actinides” — elements that were discovered relatively late in history. Like all other act...
Uranium (pronounced /jʊˈreɪniəm/ yoo-RAY-nee-əm) is a silvery-white metallic chemical element in the actinide series of the periodic table with atomic number 92. It is assigned the chemical symbol U. A uranium atom has 92 protons and 92 electrons. 6 of the latter are val...
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Uranium is a chemical element; it has symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium radioactively decays by emitting an alpha particle. The...
Uranium is a chemical element with the symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium is weakly radioactive
uranium (U), radioactive chemical element of the actinoid series of the periodic table, atomic number 92. It is an important nuclear fuel. Uranium constitutes about two parts per million of Earth’s crust. Some important uranium minerals are pitchblende (impure U3O8), uraninite (UO2), carno...
Uranium is a heavy, radioactive metal, the 92nd element in the periodic table, and a member of the actinide series. Its name and chemical symbol U are derived from the planet Uranus, discovered (1781) a few years before the element. A compound of uranium (uranium oxide) was discovered ...