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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jul 1863 ano - John Newlands' Octaves
Descrição:
56 dovtedy objavených prvkov klasifikoval do 11 skupín, ktoré boli založené na podobných fyzikálnych vlastnostiach.
Adicionado na linha do tempo:
Periodická sústava prvkov
By
Michaela Sekerešová
16 out 2017
0
0
556
Data:
1 jul 1863 ano
Agora
~ 162 years ago
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