Question

Write two postulates of delton atomic theory

Answer 1

1. all matter is made of very tiny particles.called as atoms
2. atoms are indivisible particles which cannot be created or destroyed by a chemical reaction

Answer 2

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

1.All matter is made up of very tiny particles. These particles are called atoms.
2.An atom cannot be divided further i.e., atoms are indivisible.
3.Atoms can neither be created nor destroyed in a chemical reaction.
4.All atoms of an element are identical in all respects, including the mass, chemical properties, etc.
5.Atoms of different elements have different masses and chemical properties.
6.Atoms of different elements combine in small whole number ratios to form compounds.
7.In a given compound, the relative number and types of atoms are constant .

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