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jan 1, 1803 - John Dalton

Description:

He said that all matter is made of atoms and cannot be divided, created or destroyed. Atoms of one element are identical but different from atoms of other elements. Atoms cannot combine in specific ratios to create something.

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Chemistry events timeline

ByMaria
10 Nov 2017
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Date:

jan 1, 1803
Now
~ 223 years ago

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