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what is the atoms

Answer» An atom is the smallest particle of an element which takes part in a chemical reaction.It may (eg: Helium, argon) or may not (eg: Oxygen, hydrogen ) occur in its free state.All matter is made up of atoms.
Atom is the small particle which may or may not exist in free state.
Every matter is made up of very small particles called atoms
The smallest particle of element


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