MCAT Question of the Day
    •

    Q:

    		 Hund's rule states that:
    		 

    A

    		 electrons fill orbitals from the lowest energy to highest energy

    B

    		 electrons are paired with each other with the same spin in orbitals

    C

    		 electrons are promoted to higher energy levels only when illuminated by light of specific frequency

    D

    		 electrons do not pair with each other in an orbital until all orbitals in the subshell have one electron of the same spin



    Atomic & Electronic Structure |
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