Which one of the following pairs of ions have the same electronic configuration?
1) Cr+3, Fe+3
2 ) Fe+3, Mn+2
3) Fe+3, C0+3
4) Sc+3, Cr+3
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Explanation:
Which one of the following pairs of ions have the same electronic configuration?
1) Cr+3, Fe+3
2 ) Fe+3, Mn+2
3) Fe+3, C0+3
4) Sc+3, Cr+3
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