Over the next 200 years, scientist became more interested in finding new elements. Scientists also became interested in their compounds. (13 ore 27 min, 9 gen 1649 anni – 3 ore 56 min, 15 sett 1849 anni)
Aggiunto al nastro di tempo:
Data:
13 ore 27 min, 9 gen 1649 anni
3 ore 56 min, 15 sett 1849 anni
~ 200 years