Question

11. What are the postulates of
Dalton's atomic theory?​

Answer 1

The postulates of Dalton’s atomic theory are as follows:

▶All matter is made up of very tiny particles. These particles are called atoms.

▶An atom cannot be divided further i.e., atoms are indivisible.

▶Atoms can neither be created nor destroyed in a chemical reaction.

▶All atoms of an element are identical in all respects, including the mass, chemical properties, etc.

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

▶Atoms of different elements combine in small whole number ratios to form compounds.

In a given compound, the relative number and types of atoms are constant.