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1. He showed atoms as uniformly packed spheres of positive matter filled with negatively charged electrons.

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1. He showed that common substances always broke down into the same elements in the same proportions.
4. He concluded that the various compounds were combinations of atoms of different elements, each of a particular size and mass that could neither be cearted or destroyed.

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1. He said the atom had a nucleus with a few electrons on the outside.
3. His experiment consisted of shooting small, positively charged alpha particles nat a sheet of gold foil.
4. He concluded that atoms consisted largely of empty space with the charges focusing in the middle.

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1. He says that electrons orbit the nucleus at fixed energies and distances.
4. He said they were able to jump from one level to another but not to exist in the space between.

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1. He depicted the electrons orbited in a wave-like motion.
4. He concluded it was impossible to determine both the exact position and speed of electrons as they moved around on atom.