The compound Ba_(2)Cu_(3)O_(7), which shows super conductivity, has copper in oxidation state ......... Assume that the rare earth element yttrium is in its usual +3 oxidation state.

The compound Ba_(2)Cu_(3)O_(7), which shows super conductivity, has co

1.	The compound Ba_(2)Cu_(3)O_(7), which shows super conductivity, has copper in oxidation state ......... Assume that the rare earth element yttrium is in its usual +3 oxidation state.
Answer» SOLUTION :`+(7//3)`