jan 1, 1803 - John Daulton Atomic Theory
Description:
Daulton's atomic theory was discovered in 1803. Through experiments, he concluded that all matter was composed of tiny particles called atoms and that these particles are indivisible and indestructible. Also included in the theory was that atoms of the same element are identical, and ones that aren't are all different.Added to timeline:
Date:
jan 1, 1803
Now
~ 222 years ago