Question

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Answer 1

Postulates of Dalton's Atomic theory

• All matter ia made up of indevisible partics called atoms

• Atoms can neither be created nor destroyed in a chemical reaction

• Atoms of same elements are identical in mass ,size and chemical properties

• Atoms of different elements have different chemical properties

• The number and kind of atoms in a given elements are always fixed

• Atoms are the smallest particle which takes part in a chemical reaction

• Atoms of same and different elements can combine together to form compounds

• When atoms of different elements combine to form compound they do so in simple whole number ratio

• Atoms of same elements can combine in different ratio to form different compounds

• Atoms of Different elements can combine in more than 1 ratio to form compounds

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