1 ene 1803 año - John Dalton

Descripción:

4 postulates:
-All matter consists of indivisible and indestructible particles called atoms
-All atoms of a given element have identical mass and properties
-Atoms of different elements can mix physically or can combine chemically in simple ratios to form compounds
-Chemical reactions are a rearrangement of atoms

Añadido al timeline:

fecha:

Fotos: