Question
Write electronic configurations of $Fe, Fe^{2+}, Fe^{3+}$
✓
Answer
| Species | Orbital notation |
| $Fe$ | $1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(2)3d^(6) OR [Ar] 4s^(2)3d^(6)$ |
| $Fe^(2+)$ | $1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(6) OR [Ar] 3d^(6)$ |
| $Fe^(3+)$ | $1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(5) OR [Ar] 3d^(5)$ |
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