U

1 symbol

Terminological databases

EKI terminibaas Esterm

ID 732339 Last modified 10.11.2015
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Domain inorganic chemistry
U
  • radioaktiivne keemiline element, aktinoid, terashall metall, sulamistemperatuur 1132,2 ºC,tihedus (α-U) 19,1 Mg/m3
  • a white radioactive metallic element belonging to the actinoids; a.n. 92; r.a.m. 238.03; r.d. 19.05 (20°C); m.p. 1132±1°C; b.p. 3818°C
uraan
U symbol
uranium
Usage examples
  • Uranium constitutes about two parts per million of Earth’s crust. Some important uranium minerals are pitchblende (impure U3O8), uraninite (UO2), carnotite (a potassium uranium vanadate), autunite (a calcium uranium phosphate), and torbernite (a copper uranium phosphate). These and other recoverable uranium ores, as sources of nuclear fuels, contain many times more energy than all the known recoverable deposits of fossil fuels.
U symbol
uranium
Uran
uraani

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