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Asked Nov 23, 2019
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21. Why do elements that have high ionization energies also have more positive electron affinities? Generally, which elements have the highest ionization energies? Which elements would have the lowest?

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Expert Answer

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Ionization energy is the minimum energy required to take out a valence electron(s) from an atom in its gaseous phase.

 

Electron affinity is the change in the amount of energy due to the addition of an electron to a gaseous atom.

For ionization energy, there is an inverse relation between the force of attraction between the electron and the nucleus and the distance. Consequently, the greater the attraction between the electrons and nucleus, the ...

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