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(theory gave rise to the current quantum model of the atom)

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Stated that it was impossible to determine the exact position and speed pf the electrons as the moved around the atom.

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Stated that the electrons orbit the nucleus at fixed energies and distances. Able to jump from one level of orbit to another but not to exist inbetween. Was a Planetay Model

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Rutherford was the fisrt known father of the nuclear age. Shot small positiviley charged alpha particles at Gold foil. Rutherfor concluded that atoms consisted of just mostly empty space. These atoms only had a few electrons on the outside and the mass in the middle which he called the Nucleus.

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Founded the electrons and described them as a Chocolate Chip cookie model. Atoms were uniformly packed spheres of positive matter filled with negitively charged electrons

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(John Dalton was a quaker teacher in 1808)

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Dalton's theory states that common substances always break down into the same elements in the same proportions. He concluded that the various compounds are combinations of atoms of different elements with a particular size and mass that cannot be either created or destroyed