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31 magg 1805 anni - Dalton

Descrizione:

He came with atomic weight (mass) of each element+ Billiard ball model. All matter are made up with atoms

Aggiunto al nastro di tempo:

Atomic History_Kim

3 ott 2018

0

0

475

Data:

31 magg 1805 anni

Adesso

~ 220 years ago

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