Question

Write the main points of Dalton's atomic theory.

Answer 1

The main postulates of Dalton's atomic theory are:

• All matter are made up of tiny particles called atoms.
• Atoms cannot be created, destroyed or divided in a chemical reaction, it can change from one form to another form.
• Atoms of a specific element are identical in mass and chemical properties.
• Atoms of different elements have different masses and chemical properties.
• Atoms combine in the ratio of small whole numbers to form compounds.