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jan 1, 1798 - Antoine Lavoiser defended the law of conservation of mass.

Description:

Lavoiser burned wood and saw that the mass didn't change. This lead him to define an element as the basic substance that couldn't be broken down by chemical methods.

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Atom History_Portocarrero

ByCatalina Portocarrero
3 Oct 2018
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Date:

jan 1, 1798
Now
~ 228 years ago

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