65Tb
Terbium
터븀 · テルビウム
Lanthanide
Atomic number65
ElementTb — Terbium
Atomic mass158.93
CategoryLanthanide
Group3
Period6
Electron config[Xe] 4f9 6s2
Shells2,8,18,27,8,2
State (RT)Solid
Melting pt1356°C
Boiling pt3230°C
Discovered1843
Main usesGreen phosphors, solid-state devices
2 · 8 · 18 · 27 · 8 · 2
Group 3
Sc ScandiumY YttriumLa LanthanumCe CeriumPr PraseodymiumNd NeodymiumPm PromethiumSm SamariumEu EuropiumGd GadoliniumDy DysprosiumHo HolmiumEr ErbiumTm ThuliumYb YtterbiumLu LutetiumAc ActiniumTh ThoriumPa ProtactiniumU UraniumNp NeptuniumPu PlutoniumAm AmericiumCm CuriumBk BerkeliumCf CaliforniumEs EinsteiniumFm FermiumMd MendeleviumNo NobeliumLr Lawrencium