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level: Atomic structure

Questions and Answers List

level questions: Atomic structure

QuestionAnswer
Define Aufbau's principleAn electron enters the orbital with lowest energy first and subsequent electrons are fed in the order of increasing energies.
Define Hund's ruleEvery orbital is singly occupied with one electron before any one orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin.
Define Pauli's exclusion principleNo more than two electrons can occupy the same orbital and two electrons in the same orbital must have opposite spins
Define electrostatic forcesThe attractive or repulsive force between two electrically charged objects.