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29 dez 1802 ano - John Dalton stated that elements were composed of atoms that had identical mass. He also proposed that another thing called compounds were atoms from different elements combined.

Adicionado na linha do tempo:

A Timeline of the Atomic HIstory

ByJosie Ann
24 out 2017
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29 dez 1802 ano
Agora
~ 222 years ago

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