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April 27, 2015

Homework Help: Chemistry

Posted by Megan on Thursday, April 1, 2010 at 5:55pm.

Which of the following electron configurations represent an excited state?
1s22s22p1
1s22s22p63s2
1s1
1s22s12p63s1
1s12s22p63p3
1s22s22p23d1
1s22s22p64s1

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