102No
Nobelium
노벨륨 · ノーベリウム
Actinide
Atomic number102
ElementNo — Nobelium
Atomic mass259
CategoryActinide
Group3
Period7
Electron config[Rn] 5f14 7s2
Shells2,8,18,32,32,8,2
State (RT)Solid
Melting ptNo data
Boiling ptNo data
Electronegativity1.3
Discovered1966
Main usesResearch only
2 · 8 · 18 · 32 · 32 · 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 NeptuniumPu PlutoniumAm AmericiumCm CuriumBk BerkeliumCf CaliforniumEs EinsteiniumFm FermiumMd MendeleviumLr Lawrencium