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Although Cr +1both $\ce{Cr+}$ and Mn +2$\ce{Mn^2+}$ both ions have d5$d^5$ configuration, still only Mn +2 is$\ce{Mn^2+}$ is well known-known while Cr +1$\ce{Cr+}$ is not common. What is so special about Cr that it does not form Cr +1$\ce{Cr+}$?
Although Cr +1 and Mn +2 both ions have d5 configuration, still only Mn +2 is well known while Cr +1 is not common. What is so special about Cr that it does not form Cr +1?
Although both $\ce{Cr+}$ and $\ce{Mn^2+}$ both ions have $d^5$ configuration, still only $\ce{Mn^2+}$ is well-known while $\ce{Cr+}$ is not common. What is so special about Cr that it does not form $\ce{Cr+}$?
Although Cr +1 and Mn +2 both ions have d5 configuration, still only Mn +2 is well known while Cr +1 is not common. What is so special about Cr that it does not form Cr +1?
