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Write postulates of Dalton’s atomic theory. |
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Answer» Dalton’s Atomic Theory Based upon laws of chemical combination, Dalton’s Atomic Theory provided an explanation for the Law of Conservation of Mass and Law of Constant Composition. Postulates of Dalton’s atomic theory are as follows : • All matter is made up of very tiny particles called ‘Atoms’. • Atom are indivisible particles, which can’t be created or destroyed in a chemical reaction. (Proves ‘Law of Conservation of Mass’) • Atoms of an element have identical mass and chemical properties. • Atoms of different elements have different mass and chemical properties. • Atom combine in the ratio of small whole numbers to form compounds. (Proves ‘Law of Constant Proportion’) • The relative number and kinds of atoms are constant in a given compound. |
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