John Daltom (1 janv. 1766 – 6 janv. 1844)
Description:
John Dalton revived Democritus's ideas based on research he conducted. His theories were...-All matter is composed of extremely small particles called atoms.
-All atoms of a given element are identical having the same size, mass, and chemical properties. Atoms of a specific element are different from those of another specific element.
-Atoms cannot be created, divided into smaller particles, or destroyed.
-Different atoms can combine to form compounds.
-In a chemical reaction atoms are separated, combined, or rearranged.
He propsed his atomic theory in 1803
Ajouté au bande de temps:
Date:
1 janv. 1766
6 janv. 1844
~ 78 years