Energy level splitting refers to the phenomenon where the energy levels of atoms or molecules are divided into multiple sub-levels due to external influences like electric or magnetic fields. This splitting alters the arrangement and spacing of energy levels, impacting the transitions that electrons can undergo and affecting the absorption and emission spectra. Understanding energy level splitting is crucial for grasping the behaviors associated with various effects like the Zeeman Effect and Stark Effect, which demonstrate how external forces interact with atomic systems.
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