Question

what is nuclei? ...​

Answer 1

Hey mate !

here's your answer

What is nuclei?

nucleus. plur. nuclei ( nooh -klee-eye) The small, dense center of the atom. The nucleus is composed of protons and neutrons and has a positive electrical charge.

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Answer 2

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.