Item Database

Element Name:Antimon(Sb) Atomic No:51 Atomic Weight:121.757 Origin:antimonium Discovered:Also known as glass-metal#N##R#Seal Online Champion

Element Name:Tellurium(Te) Atomic No:52 Atomic Weight:127.6 Origin:tellus Discovered:1782, F.J.Muller of Germany#N##R#Seal Online Champion

Element Name:IoDeane(I) Atomic No:53 Atomic Weight:126.904 Origin:Iodine Discovered:1811, B.Courtois of France#N##R#Seal Online Champion

Element Name:Xenon(Xe) Atomic No:54 Atomic Weight:131.29 Origin:xenos Discovered:1898, W.Ramsay and M.W.Traverse of England#N##R#Seal Online Champion

Element Name:Caesium(Cs) Atomic No:55 Atomic Weight:132.905 Origin:caesius Discovered:1860, R.Wunsen#N##R#Seal Online Champion

Element Name:Barium(Ba) Atomic No:56 Atomic Weight:137.327 Origin:barite Discovered:1808, H.Davy#N##R#Seal Online Champion

Element Name:Lanthanium(La) Atomic No:57 Atomic Weight:138.906 Origin:lantanein Discovered:1839, C.G.Mosander of Sweden#N##R#Seal Online Champion

Element Name:Cerium(Ce) Atomic No:58 Atomic Weight:140.115 Origin:CeriumDiscovered:1803, J.Werselius#N##R#Seal Online Champion

Element Name:Praseodymium(Pr) Atomic No:59 Atomic Weight:140.908 Origin:Praseodymium Discovered:1885, C.A.Welsbach of Austria#N##R#Seal Online Champion

Element Name:Neodymium(Nd) Atomic No:60 Atomic Weight:144.24 Origin:neos Discovered:1885, C.A. Welsbach of Austria#N##R#Seal Online Champion

Element Name:Promethium(Pm) Atomic No:61 Atomic Weight:140.90765 Origin:Promethium Discovered:1926, B.S Hopkins#N##R#Seal Online Champion

Element Name:Samarium(Sm) Atomic No:62 Atomic Weight:150.4 Origin:Samarium Discovered:1879, L.Boisbaudran#N##R#Seal Online Champion

Element Name:Europium(Eu) Atomic No:63 Atomic Weight:151.965 Origin:Europium Discovered:1901?E.A.Demarsei#N##R#Seal Online Champion

Element Name:Gadolinium(Gd) Atomic No:64 Atomic Weight:157.25 Origin:Gadolinium Discovered:1880, C.G.Maranak(1817~94)#N##R#Seal Online Champion

Element Name:Terbium(Tb) Atomic No:65 Atomic Weight:158.925 Origin:Terbium Discovered:1843, C.G.Mosander of Sweden#N##R#Seal Online Champion

Element Name:Dysprosium(Dy) Atomic No:66 Atomic Weight:162.5 Origin:dysprositos Discovered:1886, L.Boisbaudran#N##R#Seal Online Champion

Element Name:Holmium(Ho) Atomic No:67 Atomic Weight:164.93 Origin:Holmium Discovered:1879, P.T.Klebe of Sweden#N##R#Seal Online Champion

Element Name:Erbium(Er) Atomic No:68 Atomic Weight:167.26 Origin:Erbium Discovered:79, P.T.Klebe#N##R#Seal Online Champion

Element Name:Thulium(Tm) Atomic No:69 Atomic Weight:168.934 Origin:Thule Discovered:1879, P.T.Klebe of Sweden#N##R#Seal Online Champion

Element Name:Ytterbium(Yb) Atomic No:70 Atomic Weight:173.04 Origin:Ytterbium Discovered:1878, J.C.G.Marignac of Switzerland#N##R#Seal Online Champion