11h 31min, dec 3, 1798 y - Antoine Lavoisier: The law of conservation of mass
Description:
Defined the law of conservation of mass through an experiment using burned wood and steam, where the mass did not change. Through his findings, Lavoisier
defined an element be the basic substance that could not be broken down by chemical methods
Added to timeline:
Date:
11h 31min, dec 3, 1798 y
Now
~ 227 years ago