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31 jul 1777 año - Antonie De Lavoisier

Descripción:

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.

Añadido al timeline:

Austins timeline

ByAustin Chambers
29 oct 2018
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fecha:

31 jul 1777 año
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~ 247 years ago
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