Dimitri Mendeleev & Periodic Table (30 Dez 1868 Jahr – 6 Mai 1869 Jahr)
Beschreibung:
In 1869 Russian chemist Dimitri Mendeleev started the development of the periodic table, arranging chemical elements by atomic mass. He predicted the discovery of other elements and left spaces open in his periodic table for them.Zugefügt zum Band der Zeit:
Datum:
30 Dez 1868 Jahr
6 Mai 1869 Jahr
~ 4 months and 6 days