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Rank the ions in order of decreasing size.

Sr2+, Ba2+, Cs


  • Chemistry -

    Cs>Ba2+>Sr2+ looks good to me.

  • Chemistry -

    What is the difference between atomic radius, and atomic size

  • Chemistry -

    I think of atomic size as the diameter or spherical size (volume) whereas the radius is 1/2 the diameter. The small periodic chart I have at home lists the volume.

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