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Which of the Following Electron Configurations Is Not Possible for an Atom

Question 49

Multiple Choice

Which of the following electron configurations is not possible for an atom in an excited state?


A) 1s22s22p63s23p63d104s14p1
B) 1s22s22p63s13p5
C) 1s22s22p63s23p23d2
D) 1s22s22p63s23p63d104s2
E) 1s22s22p63s23p63d104s14p3

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