World History Archive July 2013
EN_01089603_9147
![World History Archive July 2013](img/medium/arch12/dvd0561/07/EN_01089603_9147.jpg)
Jons Jacob Berzelius (1779-1848), Swedish chemist who introduced modern chemical symbols. Hhe discovered the elements selenium, thorium and cerium, and was first to isolate others. He accurately determined atomic weights, establishing the laws of combination and John Dalton's atomic theory.
2013-07-09
World History Archive/East News
Image Asset Management
0460001720
4,54MB
30cm x 38cm przy 300dpi
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