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Then uranium

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  • Uranium — (pronEng|jʊˈreɪniəm) is a silvery gray metallic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. It has 92 protons and 92 electrons, 6 of them valence electrons. It can have between 141 and …   Wikipedia

  • Uranium depletion — is the inescapable result of extracting and consuming uranium since it is a finite resource. The journal Environmental Science and Technology argues that the availability of high grade uranium ore will deplete over time making the fuel more… …   Wikipedia

  • Uranium trioxide — IUPAC name Uranium trioxide Uranium(VI) oxide …   Wikipedia

  • Uranium mining in Utah — Uranium mining in Utah, a state of the United States, has a history going back more than 100 years. Uranium started as a byproduct of vanadium mining about 1900, became a byproduct of radium mining about 1910, then back to a byproduct of vanadium …   Wikipedia

  • Uranium in the environment — Uranium in the environment, this page is about the science of uranium in the environment and in animals (including humans). The legal and social issues associated with uranium are discussed elsewhere. This page is a subpage of actinides in the… …   Wikipedia

  • Uranium mining in the United States — declined drastically in the 1980s, but has revived since 2001 due to higher uranium prices. The average spot price of uranium oxide (U3O8) increased from $7.92 per pound in 2001 to $39.48 per pound in 2006. [Department of Energy s [http://www.eia …   Wikipedia

  • Uranium-uranium dating — is a radiometric dating technique utilizing the comparison of two isotopes of uranium (U) in a sample: 234U and 238U. 234U/238U dating is one of several radiometric dating techniques exploiting the uranium radioactive decay series, in which 238U… …   Wikipedia

  • Uranium tailings — are a waste material of uranium mining. In mining, the raw uranium ore is brought to the surface and crushed into a fine sand. The valuable uranium bearing minerals are then mechanically removed, and the remaining radioactive sand, called uranium …   Wikipedia

  • Uranium mining — The Ranger Uranium Mine in Australia …   Wikipedia

  • uranium processing — Introduction       preparation of the ore for use in various products.       Uranium (U), although very dense (19.1 grams per cubic centimetre), is a relatively weak, nonrefractory metal. Indeed, the metallic properties of uranium appear to be… …   Universalium

  • Uranium market — The uranium market, like all commodity markets, has a history of volatility, moving not only with the standard forces of supply and demand, but also to whims of geopolitics. It has also evolved particularities of its own in response to the unique …   Wikipedia

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