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  1. C

    Dumb question about electronic structure

    thanks. is that mean 2 orbitals with one occupied by 2 electrons and other with electron occupied singly, and 2 orbitals both single occupied. The repulsion between the latter one is greater than the former one?
  2. 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?
  3. C

    Chemistry Electronic Configuration

    well i find that the original configuration i proposed should be correct since the atom tends to retain the extra stability of fully filled 3d subshell.....
  4. C

    Chemistry Electronic Configuration

    so now the new configuration is Cu+:3d^8 4s^2 Cu2+:3d^7 4s^2 cu2+ has 3 unpaired 3d electrons whereas Cu+ has 2 unpaired electrons, in theory the unpaired electrons in Cu2+ will repelled from the inner electrons and thus more unstable?
  5. 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...
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