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    Chemistry and Chemical Reactivity
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    Exam 23: The Chemistry of the Transition Elements
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    Which of the Following Ions Have an [Ar]3d<sup>5</sup> Electron Configuration
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Which of the Following Ions Have an [Ar]3d5 Electron Configuration

Question 59

Question 59

Multiple Choice

Which of the following ions have an [Ar]3d5 electron configuration: Co2+,Mn2+,and Fe3+?


A) Co2+ only
B) Mn2+ only
C) Fe3+ only
D) Co2+ and Fe3+
E) Mn2+ and Fe3+

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