what do you mean by dalton's theory? (science class 9)
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Dalton based his theory on the law of conservation of mass and the law of constant composition. The first part of his theory states that all matter is made of atoms, which are indivisible. The second part of the theory says all atoms of a given element are identical in mass and properties.
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1)All the matter is made up of very small particles called atoms. 2)Atoms can neither be created nor be destroyed. 3)All the atoms of a given element are identical in every respect,having same physical and chemical properties. 4)Atoms of different elements differ in every respect ie mass,size and chemical properties.
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