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1 июл 1863 г. - John Newlands' Octaves
Описание:
56 dovtedy objavených prvkov klasifikoval do 11 skupín, ktoré boli založené na podobných fyzikálnych vlastnostiach.
Добавлено на ленту времени:
Periodická sústava prvkov
By
Michaela Sekerešová
16 окт 2017
0
0
554
Дата:
1 июл 1863 г.
Сейчас
~ 162 г назад
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