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Actually, Aristotle did not contribute to the atomic theory because he was against it...
he did not develop anything regarding the 'atomic theory' for he was against that theory.
nothing
1955
He developed the "ELECTOMAGNETISM"
he drew pictures about it :) <3
discovering artificial radioactivity
He did something with atoms
460 B.C. or for atheists BCE
he came up with the theory of atomic numbers
trololol...hahahaXD stop cheatin:P get your own answer.haha