1 gen 1800 anni - Dalton's Model
Descrizione:
Dalton´s theory:- all element are composed of atoms
- atoms of the same element are exactly aiike
- compounds are formed by two atoms joining
- atoms are indivisible and indestructable
Aggiunto al nastro di tempo:
Data:
1 gen 1800 anni
Adesso
~ 225 years ago