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 e

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 m

uranium, 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 i

Jan 20, 2026 · Uranium 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-

What is uranium and how much does Iran have Uranium is a naturally occurring radioactive metal used mainly as fuel for nuclear energy and, at much higher enrichment levels, for nuc

Apr 17, 2026 · Uranium contains three natural isotopes, just one of which is used to generate energy or build a nuclear bomb. Known as U-235, the rare isotope makes up less than 1

Mar 9, 2022 · Uranium is a naturally radioactive element. It powers nuclear reactors and atomic bombs.

Jul 4, 2019 · What is uranium, exactly? And what do you need to know about it beyond the red-hot headlines? Here we answer your most pressing nuclear questions.

Apr 22, 2026 · To build nuclear weapons, uranium needs to be enriched to 90 percent. In this explainer, we visualise what uranium is, how it is enriched and how long it could take

Nov 28, 2025 · The addition of uranium to the United States’ critical minerals list could have wide-ranging economic and national security implications.