Uranium | Definition, Properties, Uses, & Facts | Britannica
Web5 days ago · 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.
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 - Element information, properties and uses | Periodic Table
WebElement Uranium (U), Group 20, Atomic Number 92, f-block, Mass 238.029. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
What is Uranium? How Does it Work - World Nuclear Association
WebUranium is a heavy metal which has been used as an abundant source of concentrated energy for over 60 years. Uranium 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 occurs in seawater, and can be recovered from the oceans.
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: Facts about the radioactive element that powers nuclear ...
WebMar 9, 2022 · Uranium is a naturally radioactive element. It powers nuclear reactors and atomic bombs. Uranium nitrate, called uranyl, with uranium ore. These are radioactive.(Image credit: RHJ via Getty...
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. Until the discovery of the first transuranium element in 1940, uranium was believed to be the heaviest element.
Uranium Element Facts and Properties - ThoughtCo
WebUpdated on July 03, 2019. Uranium is an element well-known for its radioactivity. Here are a collection of facts about the chemical and physical properties of this metal. Uranium Basic Facts. Atomic Number: 92. Uranium Atomic Symbol: U. Atomic Weight: 238.0289. Electron Configuration: [Rn]7s 2 5f 3 6d 1. Word Origin: Named after the planet Uranus.
Uranium-235 (U-235) | Definition, Uses, Half-Life, & Facts
WebArticle History. nuclear fission. Key People: Harold C. Urey. Philip Hauge Abelson. John R. Dunning. Arthur Jeffrey Dempster. Related Topics: nuclear reactor. isotope. uranium. depleted uranium. radioactive isotope. uranium-235 (U-235), radioactive isotope of the element uranium with a nucleus containing 92 protons and 143 neutrons.
Uranium (U) - Periodic Table
WebUranium is the 92nd element in the periodic table and has a symbol of U and atomic number of 92. It has an atomic weight of (238.02891) and a mass number of 238. Uranium has ninety-two protons and one hundred forty-six neutrons in its nucleus, and ninety-two electrons in seven shells.
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