MCAT Question of the Day
    •

    Q:

    		 Which of the following electron configurations depicts an atom in an excited state?
    		 

    A

    		 1s22s22p63s23p64s1

    B

    		 1s22s22p63s23p64s23d1

    C

    		 1s22s22p63s23p64s13d1

    D

    		 1s22s22p63s23p5



    Atomic & Electronic Structure |
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