Periodic Trend: Ionic Radius Video Lessons

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Problem: The following ions contain the same number of electrons. Rank them in order of decreasing ionic radii.(Cs+, I-, La3+, Sb3-, Ba2+, Te2--)Rank from largest to smallest radius. To rank items as equivalent, overlap them.

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Recall that ionic radius is the size of an ion. The trend for ionic radius is as follows: it increases from right to left and down a period in the periodic table. Ionic radius also increases with increasing number of electrons.



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The following ions contain the same number of electrons. Rank them in order of decreasing ionic radii.(Cs+, I-, La3+, Sb3-, Ba2+, Te2--)

Rank from largest to smallest radius. To rank items as equivalent, overlap them.

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