what is an atomic nucleus?\no the outer part of an atom in which electrons move\no the outer part of an atom…

what is an atomic nucleus?\no the outer part of an atom in which electrons move\no the outer part of an atom in which neutrons move\no the central part of an atom, composed of protons and neutrons\no the central part of an atom, composed of protons and electrons
Answer
Brief Explanations:
An atomic nucleus is the central part of an atom. It is made up of protons (positively - charged particles) and neutrons (neutral particles). Electrons move in the outer part of the atom.
Answer:
the central part of an atom, composed of protons and neutrons