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may 29, 1798 - Antoine Lavoisier (element can not be broken down by chemical methods)
Description:
Defined the law of conservation of mass by an experiment with burned wood and steam, where mass did not change.
Added to timeline:
Atomic History_LaFuente
By
Moira
3 Oct 2018
0
0
443
Date:
may 29, 1798
Now
~ 227 years ago
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