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Ionization Energy and Electron Affinity

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1) Which ion is smaller? F- or Na+

2) For isoelectronic ions, how are effective nuclear charge and ionic radius related?
As nuclear charge (Z) increases, ionic radius increases or
As nuclear charge (Z) increases, ionic radius decreases.

3) For the elements with the electron affinities given in the table in the introduction, which element is most likely to accept an electron? Ca, F or N

4) Rank the following elements by electron affinity, from most positive to most negative value:
Rank from most positive to most negative. To rank items as equivalent, overlap them. They are: Chlorine, cesium, helium, bismuth, tellurium

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Solution Summary

This solution explains how ionic charge is related to ionic radius. It also explains how to determine electron affinity and how to rank atoms according to their electron affinities.

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