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Basic unit of matter composed of three subatomic particles |
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The number of protons found in the nucleus of an atom of that element, and therefore identical to the charge number of the nucleus |
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#of protons and neutrons in an atom. |
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Positively charged particle located in the nucleus |
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Negatively charged particle located outside the nucleus |
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Neutrally charged particle located in the nucleus |
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Pathway that the electrons travel |
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Designed a model that depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits. |
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Established the Modern Atomic Theory. Showed scientifically that the atom existed. |
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