Item Database

Element Name:Lutetium(Lu) Atomic No:71 Atomic Weight:174.967 Origin:Lutecia Discovered:1907, G.Wirben of France and A.Welsbach of Austria#N##R#Seal Online Champion

Element Name:Hafnium(Hf) Atomic No:72 Atomic Weight:178.49 Origin:celtium Discovered:1932, D. Coster and G. von Hevesey#N##R#Seal Online Champion

Element Name:Tantalum(Ta) Atomic No:73 Atomic Weight:180.948 Origin:tantalum Discovered:1802, A.G.Ekeberg of Sweden #N##R#Seal Online Champion

Element Name:Tungsten(W) Atomic No:74 Atomic Weight:183.84 Origin:Wolfram Discovered:1755, Peter Woulfe, originally known as Wolframite#N##R#Seal Online Champion

Element Name:Rhenium(Re) Atomic No:75 Atomic Weight:186.207 Origin:rhenium Discovered:1925, W.Noddack and I.E.Take#N##R#Seal Online Champion

Element Name:Osmium(Os) Atomic No:76 Atomic Weight:190.23 Origin:osme Discovered:1804, S.Tennant#N##R#Seal Online Champion

Element Name:Iridium(Ir) Atomic No:77 Atomic Weight:192.22 Origin:Iris Discovered:1804, S.Tennant of England#N##R#Seal Online Champion

Element Name:Platinium(Pt) Atomic No:78 Atomic Weight:195.08 Origin:platina Discovered:written on «Travels on Western Shore of South America»#N##R#Seal Online Champion

Element Name:Gold(Au) Atomic No:79 Atomic Weight:196.967 Origin:aurum Discovered:2nd earliest metal used by man#N##R#Seal Online Champion

Element Name:Mercury(Hg) Atomic No:80 Atomic Weight:200.59 Origin:mercurium Discovered:BC 300, Theopratus of Rome#N##R#Seal Online Champion

Element Name:Thallium(Tl) Atomic No:81 Atomic Weight:204.4 Origin:thallus Discovered:1861, W.Crookes of England#N##R#Seal Online Champion

Element Name:Lead(Pb)Atomic No:82 Atomic Weight:207.2 Origin:leadDiscovered:used by man since, BC 1500, found in monuments of Assyria#N##R#Seal Online Champion

Element Name:Bismuth(Bi)Atomic No:83 Atomic Weight:209 Origin:wiss majaht Discovered:Originally confused for marcasite or antimony, scapolite, it was discovered at about 16th century#N##R#Seal Online Champion

Element Name:Polonium(Po) Atomic No:84 Atomic Weight:209 Origin:Polonium Discovered:1898, Mme. Curie of pitchblende#N##R#Seal Online Champion

Element Name:Astatine(At) Atomic No:85 Atomic Weight:210 Origin:astatos Discovered:1940, D.R.Corson, K.R.McKenzie, E.Segre#N##R#Seal Online Champion

Element Name:Radon(Rn)Atomic No:86 Atomic Weight:222 Origin:Radon Discovered:1900, F.E.Dohrn#N##R#Seal Online Champion

Element Name:Francium(Fr)Atomic No:87 Atomic Weight:223 Origin:Francium Discovered:Mme. Marguerite Perey of France#N##R#Seal Online Champion

Element Name:Radium(Ra) Atomic No:88 Atomic Weight:226 Origin:radius Discovered:1898, Curie, Pierre of France#N##R#Seal Online Champion

Element Name:Actinium(Ac) Atomic No:89 Atomic Weight:227 Origin:Actis Discovered:1899, A. Dviern#N##R#Seal Online Champion

Element Name:Thorium(Th) Atomic No:90 Atomic Weight:232.038 Origin:Thorium Discovered:1828, J.J.Werselius of Norway#N##R#Seal Online Champion