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
Many … Afficher plus

Uranium is a silvery white, weakly radioactive metal. It has a Mohs hardness of 6, sufficient to scratch glass and roughly equal to that of titanium, rhodium, manganese and niobium. It is malleable, ductile, … Afficher plus

The major application of uranium in the military sector is in high-density penetrators. This ammunition consists of depleted uranium (DU) alloyed with 1–2% other elements, such as titanium or molybde… Afficher plus

The use of uranium in its natural oxide form dates back to at least the year 79 AD, when it was used in the Roman Empire to add a yellow color to ceramic glazes. Yellow glass with 1% uranium oxide was found in a Roman … Afficher plus

Uranium is a naturally occurring element found in low levels in all rock, soil, and water. Uranium is the highest-numbered element found naturally in significant quantities on Earth and is almost always found co… Afficher plus

Calcined uranium yellowcake, as produced in many large mills, contains a distribution of uranium oxidation species in various forms ranging from most oxidized to least oxidized. Particles with short residence times in … Afficher plus

Uranium, like all elements with an atomic number greater than 82, has no stable isotopes. All isotopes of uranium are radioactive because the strong nuclear force does not prevail over electromagnetic repulsion in … Afficher plus