Which of the following electron configurations is not possible for an atom in an excited state?...
Which of the following electron configurations is not possible for an atom in an excited state? I know the answer is D but I do not understand how E is possible since 4s14 would mean 14 electrons in an s orbital. Doesn't that exceed the limit of 2???
|
A) |
1s22s22p63s23p63d104s14p1 |
D) |
1s22s22p63s23p63d104s2 |
|
B) |
1s22s22p63s13p5 |
E) |
1s22s22p63s23p63d104s14p3 |
|
C) |
1s22s22p63s23p23d2 |
Homework Answers
A) 1s22s22p63s23p63d104s14p1
B) 1s22s22p63s13p5
C) 1s22s22p63s23p23d2
D) 1s22s22p63s23p63d104s2
E) 1s22s22p63s23p63d104s14p3
Answer : D)
Explanation :
in option D , there is no possibility of exited state electron configuration. because there all are completely filled.
in option E , 4s14p3 , so here one electron from s orbital jumped to p orbital. so this is exited state configuration.
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