Question

the densely packed core in an atom​

Answer 1

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The nucleus is the tiny, dense, central core of the atom and is composed of protons and neutrons. Rutherford's atomic model became known as the nuclear model. In the nuclear atom, the protons and neutrons, which comprise nearly all of the mass of the atom, are located in the nucleus at the center of the atom.

Answer 2

Answer:

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The densely packed core in an atom is called nucleus. It contains neutron and proton. Nucleus is positively charged.