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a greek philospher who created the idea of atoms
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He led to the acceptance of atoms and stated that all elements are composed of atoms and that they are invisible and indestructible.
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He said that atoms are divisble(Dalton theory was wrong)and that they are made up of positively and negatively charged particles.
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He discovered the nucleus, and that that it is composed of positively charged particles called protons.
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He said that electrons move around the nucleus like the planets orbit the son.