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Who is credited with discovering the atomic nucleus?

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The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment. read more

While it is known today that there are certainly limitations to how well this model genuinely reflects what is really happening within an atom, it has proved tremendously useful in explaining certain very fundamental features of the atomic structure, specifically the behaviors of electrons, spectroscopic analysis, and the formation of atomic bonds. read more

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