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460 BC-370 BC** One of the two founders of ancient atomist theory.
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Created a theory of matter stating matter is not improved of denied.
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Daltons atomic theory. Matter cannot be created or destroyed.
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Dicovery of electon
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Trasmitted crude the geometrical patterns onto the television screen. Created by Russian scientist Boris Rosing.
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Demonstrated the existence of the atomic nucleus, downfall of plum pudding model, development of Rutherford model. Performed by Hanns Geiger and Ernest Marsden under direction of Ernest Rutherford.
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By J.J Thomson who discovered the electron. The plums negativly charged and the pudding positivly charged.
