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This was the very first model within the discovery of the atom. Dalton claimed in his discovery that the atom was a sphere that could not be divided into particless.
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This model showed that an atom had a positive charged medium and/or a space with negatively charged electrons
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This model determines that all of the mass of the atom, are located in the nucleus at the center of the atom.
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Showed that the negatively charged electrons orbit a small, positively charged nucleus
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Explains that Electrons have an intrinsic property called spin, and an electron can have one of two possible spin values: spin-up or spin-down.