uranium 239
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Uranium-239 — Infobox isotope alternate names = U 239 symbol =U mass number =239 mass = num neutrons =147 num protons =92 abundance = 0 (Artificial) halflife = 23.45 mins error halflife = background = #fc6 text color = decay product =Neptunium 239 decay symbol … Wikipedia
uranium 239 — Chem. the uranium isotope with a mass number 239. It is artificially produced by the neutron bombardment of uranium 238. Also called U 239, U 239 … Useful english dictionary
Uranium — Protactinium ← Uranium → Neptunium Nd … Wikipédia en Français
Uranium 233 — Uranium Uranium Protactiniu … Wikipédia en Français
Uranium (disambiguation) — Uranium may refer to:* Uranium, the chemical element ** Uranium 232 ** Uranium 233 ** Uranium 234 ** Uranium 235 ** Uranium 238 ** Uranium 239 ** Uranium 240 * Uranium City, Saskatchewan, a Canadian settlement * Uranium (TV series), a music video … Wikipedia
Uranium-238 — Infobox isotope background =#fc6 text color = image caption = 10 gram sample alternate names = mass number =238 symbol =U num neutrons =146 num protons =92 abundance = 99.284% halflife = 4.46 billion years error halflife = decay product = Thorium … 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 — (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 — L’uranium (symbole U, numéro atomique 92) est un élément chimique métallique très dense (d = 19), dur, dont la couleur grise rappelle celle du nickel. Pendant les cent cinquante ans qui suivirent sa découverte, en 1789, par Martin Heinrich… … Encyclopédie Universelle
Uranium — U*ra ni*um, n. [NL., from Uranus the planet. See {Uranus}.] (Chem.) An element of the chromium group, found in certain rare minerals, as pitchblende, uranite, etc., and reduced as a heavy, hard, nickel white metal which is quite permanent. Its… … The Collaborative International Dictionary of English
