Dec 13, 2025 · 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 …

Aug 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 …

Mar 1, 2015 · 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, …

Feb 6, 2025 · Uranium (chemical symbol U) is a naturally occurring radioactive element. When refined, uranium is a silvery-white metal. Uranium has three primary naturally occurring isotopes isotopesA …

Oct 4, 2020 · Get uranium facts. Learn about the properties, uses, biological effects, and sources of element atomic number 92.

Economically recoverable uranium reserves are located in the western United States, Australia, Canada, Central Asia, Africa, and South America. Uranium production in the United States peaked in 1980, …

Apr 17, 2024 · Uranium (U-235 and U-238) is a heavy metal that is naturally occurring in the environment. It can be found in almost all rock, soil, and water. Ingesting or inhaling large …

Uranium-238, the most prevalent isotope in uranium ore, has a half-life of about 4.5 billion years; that is, half the atoms in any sample will decay in that amount of time. Uranium-238 decays by alpha …

Uranium for use in nuclear power plants is enriched to a U-235 concentration of 2-3%. In nuclear weapons, it is believed uranium is enriched to about 90% U-235, although lower concentrations …

Uranium-235 can be concentrated by gaseous diffusion and other physical processes, if desired, and used directly as a nuclear fuel, instead of natural uranium, or used as an explosive. Natural uranium, …