1 ene 1817 año - Johann Wolfgang Döbereiner
Descripción:
At this time the periodic table did not existed and chemists were trying to find a way to organize the known elements. Döbereiner found a pattern to organize elements with similar chemical and physical properties and named them triads.Añadido al timeline:
fecha:
1 ene 1817 año
Ahora mismo
~ 208 years ago