Chemistry · Atomic Structure
Which of the following is the correct ground-state electron configuration for the Fe3+ ion? (Atomic number of Fe = 26)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1[Ar] 3d4
- 2[Ar] 4s2 3d3
- 3[Ar] 3d5✓
- 4[Ar] 3d6
Correct answer
[Ar] 3d5
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