Uranium - Wikipedia
WebUranium 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, usually by emitting an alpha particle.
Uranium | Definition, Properties, Uses, & Facts | Britannica
WebMay 2, 2024 · Uranium, radioactive chemical element of the actinoid series of the periodic table, atomic number 92. It is an important nuclear fuel. It is a dense, hard metallic element that is silvery white in color. It is ductile, malleable, and capable of taking a high polish.
What is Uranium? | IAEA - International Atomic Energy Agency
WebAug 16, 2023 · 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 …
Uranium - Element information, properties and uses | Periodic ...
WebElement Uranium (U), Group 20, Atomic Number 92, f-block, Mass 238.029. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Uranium: Facts about the radioactive element that powers ...
WebMar 9, 2022 · Uranium is a radioactive metal central to one of the most devastating acts of war in history. On Aug. 6, 1945, a 10-foot-long (3 meters) bomb fell from the sky over...
uranium summary | Britannica
Weburanium, Chemical element of the actinoid series (with many transition element properties), chemical symbol U, atomic number 92. A dense, hard, silvery white metal that tarnishes in air, it is isolated from such ores as pitchblende.
What is Uranium? How Does it Work - World Nuclear Association
WebUranium is a very heavy metal which can be used as an abundant source of concentrated energy. It occurs in most rocks in concentrations of 2 to 4 parts per million and is as common in the Earth's crust as tin, tungsten and molybdenum.
Uranium - Simple English Wikipedia, the free encyclopedia
WebUranium is a chemical element (a metal) on the periodic table. It has an atomic number of 92, which means that a uranium atom has 92 protons in its center, the nucleus . Uranium dug out of the ground is made from three different isotopes .
Nuclear Fuel Facts: Uranium | Department of Energy
WebNov 15, 2016 · Nuclear Fuel Facts: Uranium. Uranium is a silvery-white metallic chemical element in the periodic table, with atomic number 92. It is assigned the chemical symbol U. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons.
Uranium | History, Uses, Facts, Physical & Chemical ...
WebUranium is a weakly radioactive element discovered in 1789 by Martin Heinrich Klaproth. It is widely used to fuel nuclear power plants and to make high density penetrators. Atomic bomb is also made using Uranium.
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