Leistungsübersicht (2) Isotope - filtering & sorting Filter show all metal transition alkali and alkaline-earth not transition metal but not transition number > 50 name ends with –ium Sort original order name symbol number weight category Mercury Hg 80 200.59 Tellurium Te 52 127.6 Bismuth Bi 83 208.980 Lead Pb 82 207.2 Gold Au 79 196.967 Potassium K 19 39.0983 Sodium Na 11 22.99 Cadmium Cd 48 112.411 Calcium Ca 20 40.078 Rhenium Re 75 186.207 Thallium Tl 81 204.383 Antimony Sb 51 121.76 Cobalt Co 27 58.933 Ytterbium Yb 70 173.054 Argon Ar 18 39.948 Nitrogen N 7 14.007 Uranium U 92 238.029 Plutonium Pu 94 (244)