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9 jan 1803 ano - John Dalton

Descrição:

SOLID SPHERE MODEL -
John Dalton discovered Atoms from the Greek word 'Atomas'
Positive - Atoms of 1 element differ from another.
Negative - Atoms aren't indivisible.

Adicionado na linha do tempo:

Data:

9 jan 1803 ano
Agora
~ 222 years ago