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Which of the following does the Nucleus of an atom consist of?
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- Protons and neutrons
- Protons and electrons
- Electrons
- Protons
- Protons and neutrons
Correct Option: A
The nucleus is the small, dense region consisting of protons and neutrons at the center of an atom. Protons and neutrons are bound together to form a nucleus by the nuclear force. The atomic nucleus was discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.
