Yellow Cake

Why Is Yellowcake Uranium Called Yellowcake? Wednesday may 9, 2012 nominate you incessantly wondered how yellowcake atomic number 92 got its name? Yellowcake or urania is a uracil powder obtained from leach solutions during uranium ore processing. Modern yellow cake consists of 70-90% uranium oxides. The material is called yellowcake because a stick of the powder recruitd by early uranium mining operations resembled a yellow cake. However, modern yellowcake usually is brown or black. Photo: A barrelful of yellowcake uranium, viewed from above. (US Department of Energy) Comments (0)PermalinkShare Chrome Versus atomic number 24 Wednesday May 9, 2012 ready you ever wondered what the difference is between plate and chromium? Chromium is an fragment. It is a hard, corrosion-resistant transition metal. Chrome, which you may see as decorative spruce on cars and motorcycles or to harden tools apply for industrial processes, is an electroplated forge of chromium over another metal. Either hexavalent chromium or trivalent chromium may be used to produce chrome. The electroplating chemicals for both processes are toxic and regulated in numerous countries. Hexavalent chromium is extremely toxic, so trivalent chrome or tri-chrome tends to be more popular for modern applications. In 2007 hexa-chrome was verboten for use on automobiles in Europe. Some chrome for industrial uses remains hexa-chrome because the corrosion resistance of hexa-chrome plating tends to top that of tri-chrome plating. Its enkindle to note that prior to the 1920s the decorating plating on automobiles was nickel and not chrome. Comments (0)PermalinkShare This Day in Science History - May 9 - Gay-Lussac Tuesday May 8, 2012 May 9th marks the passing of Gay-Lussac. Guy-Lussac was the french pill roller who gave us two ideal swagger laws and discovered the element boron. He is also known for the unit of measurement degrees Lussac or degrees Gay-Lussac to pulse ethyl alcohol by intensity level in a liqui! d, usually associated with beverages. In the United...If you want to shoot for a safe essay, order it on our website: BestEssayCheap.com

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