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  1. C

    Dumb question about electronic structure

    I want to ask which type of the following would have a greater repulsion electrons with parallel spin, electrons with opposite spin. or it's just the same?
  2. C

    Chemistry Electronic Configuration

    Homework Statement Explain why copper(II) is the more common oxidation state than copper (I) by giving the electronic configurations of the ions involved. The Attempt at a Solution i've considered about the configurations of Cu+ and Cu2+ but the result seems to contradict the fact...