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Atoms are indivisible particles, which cannot be created or destroyed in a chemical reaction.


An atom is the smallest particles of an elements that takes part in a chemical reaction and maintain its chemical identity throughout all physical and chemical changes.
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an atom is the the smallest particle of an element whicv
the atom is the smallest indivisible particle that shows all the chemical properties of that element.atom constitutes of smaller particles called subatomic particles.the three main subatomic particles are protons , neutrons and electrons.
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