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Stated that elements are tiny spheres that are indivisible particals called Atoms.
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Reasoned that atoms contain negatively charged particles, which were later named Electrons.
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Explained that every atom has a small massive poitively charged center called the Nucleus.
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Atoms can be divided into a nucleus, electrons and a nucleus.
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Led to cloud model; electron cloud most indicates where to find a single electron.
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The modern model shows where everything is but now into a clouded form.
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Neutrons are important to holding together positive charged Protons.