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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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20 jul 1772 año - Lavoiser found that mass is conserved in a chemical reaction, but the amount of hydrogen and oxygen atoms before and after the reaction is the same.
Añadido al timeline:
Atomic Theory
By
Emma Larsen
28 sep 2018
0
0
488
fecha:
20 jul 1772 año
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~ 253 years ago
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