In which of the following pairs,the outermost electronic configuration will be the same?
- A$Cr^{+}$ and $Mn^{2+}$
- B$Ni^{2+}$ and $Cu^{+}$
- C$Fe^{2+}$ and $Co^{+}$
- D$V^{2+}$ and $Cr^{+}$
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