WHAT IS ATOM ?
AND WHO DISCOVERD IT
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Answer:The idea that everything is made of atoms was pioneered by John Dalton (1766-1844) in a book he published in 1808. ... For almost 100 years after this, most scientists thought of atoms as solid structures, until in 1897 J.J. Thompson discovered that atoms contained even smaller particles called electrons.
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An atom is the smallest unit of ordinary matter that forms a chemical element. Solid, Liquid and Gas are made up of Atom.
Sir John Dalton first discord atom in 1808..
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