10. Periodic Properties of the Elements
Periodic Trend: Electron Affinity
4:19 minutes
Problem 99
Textbook Question
Textbook QuestionHydrogen is an unusual element because it behaves in some ways like the alkali metal elements and in other ways like nonmetals. Its properties can be explained in part by its electron configuration and by the values for its ionization energy and electron affinity. (a) Explain why the electron affinity of hydrogen is much closer to the values for the alkali elements than for the halogens.
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