What am I doing wrong? I\'ve been working on this problem almost half a day toda

Question

What am I doing wrong? I've been working on this problem almost half a day today. I've tried -->1s2 2s2 2p6 3s2 3p6 4s0 3d5 -->1s2 2s2 2p6 3s2 3p6 3d6 --->1s2 2s2 2p6 3s2 3p6 3d5 Please help.
In the ground-state electron configuration of Fe, how many unpaired electrons are present? e previous| 4 of Express your answer numerically as an integer. Hints My Answers Give Up Hints My Answers Give Up Review Part Correct Part B Build the orbital diagram for the ion most likely fomed by phosphorus. Use the buttons at the top of the tool to add orbitals in order of increasing energy, starting at the bottom with the lowest energy orbitals. Click within an orbital to add electrons. 0 ? 3p ### 3S # Is # M33 Hints bMy Answets Sive lia Incorrect: Try Again: 5 attempts remaining

Explanation / Answer

Fe electronic configuration = 1s22s22p63s23p63d64s2

Fe+3 electronic configuration = 1s22s22p63s23p63d54s0

Fe+3 no of unpaired electrons = 5

P electronic configuration = 1s22s22p63s23p3

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