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CHEMISTRY

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1. For the ion Fe3+ what is the electron configuration and electron atrangement?

please explain... i do not understand...

2.
F- +. Br2---->



Br- + Cl2----->

  • CHEMISTRY - ,

    1.
    26Fe = 1s2 2s2 2p6 3s2 3p6 3d6 4s2
    To make the 3+ ion remove the two 4s and one of the 6d electrons.
    26Fe^3+ = 1s2 2s2 2p6 3s2 3p6 3d5

    2.
    F^- + Br2 ==> no reaction
    2Br^- + Cl2 ==> 2Cl^- + Br2

    Follow up with any questions but explain fully what you don't understand.

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