According to this, electron pairing in orbitals starts only when all available empty orbitals of the same energy are singly occupied. A) Aufbau principle B) Pauli exclusion principle C) Hund’s rule D) None

According to this, electron pairing in orbitals starts only when all a

1.	According to this, electron pairing in orbitals starts only when all available empty orbitals of the same energy are singly occupied. A) Aufbau principle B) Pauli exclusion principle C) Hund’s rule D) None
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