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 valence elec… Se mere

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, … Se mere

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 molybdenum. … Se mere

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 villa … Se mere

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 combi… Se mere