Input interpretation
rare earth metals | discovery year
Summary
median | 1879 latest | 1945 (promethium) earliest | 1794 (yttrium) distribution |
Distribution plots
Table
scandium | 1879 yttrium | 1794 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