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Is my answer right?

Which of the following is a reasonable ground-state electron configuration?
1s22s22p43s2
1s21p62s22p6
1s22s22p63s23p64s24d10
1s22s22p63s23p64s23d5<--- my answer, is this right?

User Georgepiva
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1 Answer

3 votes
yes the answer is 1s22s22p63s23p64s23d5
User Judyann
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