The energy of an electron in an atom depends primarily on A) the spin magnetic quantum number m_s. B) the principal quantum number n. C) the orbital angular momentum quantum number l. D) the orbital magnetic quantum number ml.

Question

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The energy of an electron in an atom is primarily determined by its principal quantum number, which represents the electron's energy level or distance from the nucleus. Higher principal quantum numbers correspond to higher energy levels. The other quantum numbers (mS, l, and ml) also affect the energy of the electron but to a lesser extent.

The Energy of an Electron in an Atom Depends Primarily