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Proposed the idea that matter was not infinitely divisible;
Came up with atom -
Believed that no empty space existed,
and that all things were created of air, water, fire, earth -
Created the Atomic Theory of Matter Proposed explanation for: law of conservation of mass
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Discovered positive anode ray
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Discovered three types of radioactivity
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Created plum pudding model.
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Suggested electrons orbit one central nucleus
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Proposed that the atom is mostly empty space, with a central nucleus. (Rutherford Model)
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Found electron’s charge and mass
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Discovered the neutron
