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 5, 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 …

Oct 4, 2020 · Uranium is a radioactive element with atomic number 92 and element symbol U. This gray metal is used in ammunition, armor, nuclear weapons, and nuclear power plants.

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 …

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 · Natural uranium as found in the Earth's crust is a mixture largely of two isotopes: uranium-238 (U-238), accounting for 99.3% and uranium-235 (U-235) about 0.7%. The isotope U …

Pure uranium is a silvery white, weakly radioactive metal, which is harder than most elements. It is malleable, ductile, slightly paramagnetic, strongly electropositive and is a poor electrical conductor.

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 …

Feb 6, 2025 · Uranium is present naturally in virtually all soil, rock and water. Rocks break down to form soil. Soil can be moved by water and blown by wind, which moves uranium into streams, lakes and …

Uranium is the heaviest and last naturally occurring element in the periodic table. The periodic table is a chart that shows how chemical elements are related to each other. Uranium occurs near the …