MCAT Question A Day - 10/28/14 - Answer!
Hund's rule says that unpaired electrons in the same subshell:
A. have opposite spins.
B. have parallel spins.
C. occupy the same orbital.
D. cannot exist.
B is correct. Hund's rule says that electrons added to the same subshell will occupy empty orbitals first and the unpaired electrons will have parallel spins.
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B is correct. Hund's rule says that electrons added to the same subshell will occupy empty orbitals first and the unpaired electrons will have parallel spins.
Want more questions? - Click here to check out our MCAT Question A Day archive
