In an atom, electrons
a.
are located in the nucleus
c.
travel outside the nucleus
b.
are paired with neutrons
d.
are always in the same place in an atom

In an atom, Electrons travel outside the nucleus.

The best and most correct answer among the choices provided by your question is the second choice or letter B "travel outside the nucleus."

An electron is a negatively charged subatomic particle. It can be either free (not attached to any atom), or bound to the nucleus of an atom.Electrons in atoms exist in spherical shells of various radii, representing energy levels.

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