94Pu
Plutonium
플루토늄 · プルトニウム
Actinide
Atomic number94
ElementPu — Plutonium
Atomic mass244
CategoryActinide
Group3
Period7
Electron config[Rn] 5f6 7s2
Shells2,8,18,32,24,8,2
State (RT)Solid
Melting pt640°C
Boiling pt3228°C
Electronegativity1.28
Discovered1940
Main usesNuclear weapons, spacecraft power
2 · 8 · 18 · 32 · 24 · 8 · 2
Group 3
Sc ScandiumY YttriumLa LanthanumCe CeriumPr PraseodymiumNd NeodymiumPm PromethiumSm SamariumEu EuropiumGd GadoliniumTb TerbiumDy DysprosiumHo HolmiumEr ErbiumTm ThuliumYb YtterbiumLu LutetiumAc ActiniumTh ThoriumPa ProtactiniumU UraniumNp NeptuniumAm AmericiumCm CuriumBk BerkeliumCf CaliforniumEs EinsteiniumFm FermiumMd MendeleviumNo NobeliumLr Lawrencium