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Found the atom and said that all atoms are invisable
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Proposed the Atomic theory and said that atoms can't be made or destroyed
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Atoms are balls of positive charge that contains a number of electrons, and discovered electrons
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Discovered isotopes through a mass spectograph
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Father of Quantam theory, he said that "a atom is a succesive or bital shells of electrons" he came up with the "Bohr Planetary Model"
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Father of Nucleus Physics,developed the "Gold Foil Experiment", also determined that a atoms nucleus is very dense and that it has a positive charge.
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Developed the "Electron Cloud Theory", and that it's probable location of moving particles.
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Built the early linear accelerrator, bombarded the element lithium with protons to create alpha particles, split an atom for the first time that later led to the atomic bomb
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Discovered the neutron and that a neutron weighed the same as a proton
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Conducted the first chain reaction of releasing energy from the atoms nucleus
