Which of the following electron configurations correspond to an excited state? Identify
Chapter 7, Problem 7.123(choose chapter or problem)
Which of the following electron configurations correspond to an excited state? Identify the atoms and write the ground-state electron configuration where appropriate. a. 1s2 2s2 3p1 c. 1s2 2s2 2p4 3s1 b. 1s2 2s2 2p6 d. [Ar]4s2 3d5 4p1 How many unpaired electrons are present in each of these species?
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