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 …

Dec 13, 2025 · 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 …

Element Uranium (U), Group 20, Atomic Number 92, f-block, Mass 238.029. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Sep 23, 2025 · Uranium is a very heavy metal which can be used as an abundant source of concentrated energy. Uranium occurs in most rocks in concentrations of 2 to 4 parts per million and …

Feb 6, 2025 · Uranium (chemical symbol U) is a naturally occurring radioactive element. Uranium is a primordial element that is used in nuclear power generation. Uranium is no longer mined for defense …

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 …

Uranium was formed by supernova events billions of years ago, prior to the formation of our solar system. Today, its slow radioactive decay provides the main source of heat inside the earth's crust. …

Uranium is primarily known for its high atomic weight, as well as its radioactive properties. Because of its radioactivity, uranium has many important uses today, including in electricity generation and military …

Aug 21, 2023 · Nuclear fuel—uranium Uranium is the fuel most widely used by nuclear plants for nuclear fission. Uranium is considered a nonrenewable energy source, even though it is a common metal …

3 days ago · The U.S. Department of Energy today announced $2.7 billion to strengthen domestic enrichment services over the next ten years.