Input interpretation
![alkali metals | discovery year](../image_source/7dfc7cb8b06f4d3e285e0e180b0dc3f9.png)
alkali metals | discovery year
Summary
![median | 3677/2 latest | 1939 (francium) earliest | 1807 (sodium and potassium) distribution |](../image_source/b915e36d76daee6d24a35d657af874e9.png)
median | 3677/2 latest | 1939 (francium) earliest | 1807 (sodium and potassium) distribution |
Table
![lithium | 1817 sodium | 1807 potassium | 1807 rubidium | 1861 cesium | 1860 francium | 1939](../image_source/26058bebcfcb00367595b6c1236523b7.png)
lithium | 1817 sodium | 1807 potassium | 1807 rubidium | 1861 cesium | 1860 francium | 1939
Timeline
![Timeline](../image_source/45e2dce5b9cc94f535968356df020960.png)
Timeline