Input interpretation
s-block elements | discovery year
Summary
median | 3615/2 latest | 1939 (francium) earliest | 1755 (magnesium) distribution |
Distribution plots
Table
hydrogen | 1766 helium | 1868 lithium | 1817 beryllium | 1797 sodium | 1807 magnesium | 1755 potassium | 1807 calcium | 1807 rubidium | 1861 strontium | 1790 cesium | 1860 barium | 1808 francium | 1939 radium | 1898