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0 h 28 m, 14 out 1805 ano - Atomic Theory: John Dalton

Descrição:

He believed that all matter is made of
atoms. Each element has a different atom and each atom of a specific element is identical. He also made a model with billard balls.

Adicionado na linha do tempo:

Data:

0 h 28 m, 14 out 1805 ano
Agora
~ 220 years ago