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Uranium Defined

Uranium (y?-rä´në-?m) (U), radioactive metallic element, discovered in oxide form in Pitchblende by M.H. Klaproth in 1789. A silver-white, hard, dense, malleable, ductile, highly reactive metal in the Actinide series it occurs naturally as a mixture of three Isotopes. Because of a constant decay rate, the age of uranium samples can be estimated (v Dating). The rare uranium-235 isotope is the only naturally occurring fission fuel for Nuclear Energy. Breeder reactors convert the abundant but nonfissionable uranium-238 into fissionable plutonium-239. Uranium-235 and plutonium-239 are also practicable fissionable nuclei for Atomic Bombs. Element; Nuclear Reactor; Periodic Table; Radioactivity.
uranium (U), radioactive metallic element, discovered in oxide form in Pitchblende by M.H. Klaproth in 1789. A silver-white, hard, dense, malleable, ductile, highly reactive metal in the Actinide series it occurs naturally as a mixture of three Isotopes. Because of a constant decay rate, the age of uranium samples can be estimated (v Dating). The rare uranium-235 isotope is the only naturally occurring fission fuel for Nuclear Energy. Breeder reactors convert the abundant but nonfissionable uranium-238 into fissionable plutonium-239. Uranium-235 and plutonium-239 are also practicable fissionable nuclei for Atomic Bombs. Element; Nuclear Reactor; Periodic Table; Radioactivity.

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Off-site Uranium Links, User Submitted

The following links have been collected through user bookmark submission in the Uranium category. Please note, because these resources are off-site we cannot guarantee the accuracy or quality of any information.

Sat Jul 4

  • PR-USA.net - Potential Uranium Enrichment in Canada Faces Barriers: A study released today by The Centre for International Governance Innovation (CIGI) concludes that uranium enrichment in Canada is likely to be more profitable for the Canadian nuclear industry than exporting natural uranium and buying it back in enriched form. Uranium Enrichment in Canada provides a detailed analysis of the Canadian mining of uranium, its subsequent processing, current enrichment technologies and the capital and operating costs of a modern centrifuge enrichment plant. It explains Canada's position as the world's largest producer and exporter of uranium, with an active nuclear power sector, but without the capability to enrich uranium.
  • Uranium found on the Moon | Bad Astronomy | Discover Magazine: Scientists using data from the recently-Moon- smacked Kaguya spacecraft have found evidence of radioactive elements on the lunar surface, including, for the first time, uranium! That?s pretty cool. It?s a little unexpected to me, too. One of the key aspects of the Moon is that it?s not as dense as the Earth ? in fact, it?s just a bit more than half the Earth?s density ? so you don?t expect it to have a lot of denser materials. Also, dense materials tend to sink and lighter ones float in a liquid, and we know the Moon was once entirely molten. So most of the uranium (which is among the densest of all elements) should be near the Moon?s core, not on the surface. Most, but not all. It appears there is some on the surface! Annotated link http://www.dii go.com/bookmar k/http%3A%2F%2 Fblogs.discove rmagazine.com% 2Fbadastronomy %2F2009%2F06%2 F29%2Furanium- found-on-the-m oon

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