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What is an atomic nucleus?

User Nerxis
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Answer:

The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom

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User Densom
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Answer:

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. ... Protons and neutrons are bound together to form a nucleus by the nuclear force.

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User Adam Liss
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