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Dalton Viewed atoms as tiny solid balls.
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His Model was known as the ¨Raising bun model.he said the atoms are actally smaller.
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He discovered protons and the nucleus.he showed atoms have a + particles in the center and is mostly empty space.
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He just improved Rutherfors discovery.he proposed electrons move around nucleus in layers.
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discovered Neutrons
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changed the way we viewed the model as of today. the electrons moving around the nucleus in a cloud.