Physics, 07.06.2021 23:30 aderahd7352

Which observation is explained by the Pauli exclusion principle? A. Each atom can be described by a set of allowed energy levels

B. Light can be emitted when an excited electron returns to ground state

C. An electron experiences slight shifts in energy levels in a magnetic field

D. All of the electrons in the ground state of a complete atom cannot be in the lowest energy states

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Which observation is explained by the Pauli exclusion principle? A. Each atom can be described by a...