Input interpretation
period 6 elements | discovery year
Summary
median | 3739/2 latest | 1945 (promethium) earliest | 4000 BC (lead) distribution |
Distribution plots
Table
cesium | 1860 barium | 1808 lanthanum | 1839 cerium | 1803 praseodymium | 1885 neodymium | 1885 promethium | 1945 samarium | 1879 europium | 1901 gadolinium | 1880 terbium | 1843 dysprosium | 1886 holmium | 1878 erbium | 1842 thulium | 1879 ytterbium | 1878 lutetium | 1907 hafnium | 1923 tantalum | 1802 tungsten | 1783