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1 lugl 1863 anni - John Newlands' Octaves

Descrizione:

56 dovtedy objavených prvkov klasifikoval do 11 skupín, ktoré boli založené na podobných fyzikálnych vlastnostiach.

Aggiunto al nastro di tempo:

Periodická sústava prvkov

ByMichaela Sekerešová

16 ott 2017

0

0

558

Data:

1 lugl 1863 anni

Adesso

~ 162 years ago

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