The answer is "<span>An atomic nucleus is positively charged because it is composed of protons". An atomic nucleus actually contains nucleons which are made up of both protons and neutrons. Since neutrons are neutral or have no charge, the charge of an atomic nucleus mainly relies on the positive charge of the protons.</span>
Answer:
<h3>The answer is option A.</h3>
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Orbitals am only hold two electrons each, so 3 orbitals can hold 6 electrons