Which is not a basic postulate of Daltons atomic theory? (1) Atoms are neither created nor destr...

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Which is not a basic postulate of Daltons atomic theory?
(1) Atoms are neither created nor destroyed in a chemical reaction.
(2) Different elements have different types of atoms.
(3) Atoms of an element may be different due to presence of isotopes.
(4) Each element is composed of extermely small particles called atoms
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