Dalton’s Atomic Theory

Topic Content:

A scientist, John Dalton, carried out an extensive study on atoms. His ideas on atomic theory are as follows:

1. Matter is made up of small indivisible particles called atoms.

2. Atom can neither be created nor destroyed.

3. Atoms of the same element are alike in every aspect but differ from atoms of all other elements.

4. Atoms of different elements have different masses and different chemical properties.

5. When atoms combine with one