92U
Uranium
우라늄 · ウラン
Actinide
Atomic number92
ElementU — Uranium
Atomic mass238.03
CategoryActinide
Group3
Period7
Electron config[Rn] 5f3 6d1 7s2
Shells2,8,18,32,21,9,2
State (RT)Solid
Melting pt1132°C
Boiling pt4131°C
Electronegativity1.38
Discovered1789
Main usesNuclear fuel and weapons
2 · 8 · 18 · 32 · 21 · 9 · 2
Group 3
Sc ScandiumY YttriumLa LanthanumCe CeriumPr PraseodymiumNd NeodymiumPm PromethiumSm SamariumEu EuropiumGd GadoliniumTb TerbiumDy DysprosiumHo HolmiumEr ErbiumTm ThuliumYb YtterbiumLu LutetiumAc ActiniumTh ThoriumPa ProtactiniumNp NeptuniumPu PlutoniumAm AmericiumCm CuriumBk BerkeliumCf CaliforniumEs EinsteiniumFm FermiumMd MendeleviumNo NobeliumLr Lawrencium