Dalton's Atomic Theory.

Dalton's   Atomic   Theory.

Dalton's   Atomic   Theory   :   In   1808,   Dalton published ''A New System of chemical philosophy''      in   which   he   proposed   the   following features, which later became famous as Dalton's atomic theory.
1. Matter consists of tiny, indivisible particles called atoms.
2.  All  the  atoms  of  a  given  elements  have  identical  properties  including  mass. Atoms of different elements differ in mass.
3. Compounds  are  formed  when  atoms  of  different elements combine in a fixed ratio.
4. Chemical   reactions   involve   only   the   reorganization of atoms. Atoms are neither created nor destroyed in a chemical reaction.Dalton's  theory  could  explain  all  the  laws  of  chemical combination.