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31 juill. 1777 - Antonie De Lavoisier

Description:

Defined the word element as a pure substance that could not be chemically broken down into similar substances. Discovered 23 elements and recognized mixtures exist and identified air as a mixture of oxygen and some other gas.

Ajouté au bande de temps:

Austins timeline

ByAustin Chambers
29 oct. 2018
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330

Date:

31 juill. 1777
Maintenaint
~ Il y a 247 ans
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