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What is the relationship between electron affinity and atomic radius? why do you think this relationship occurs?

What is the relationship between electron affinity and atomic radius? why do you think this relationship occurs?
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what is the relationship between electron affinity and atomic radius? why do you think this relationship occurs?

User Yttrium
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Electron affinity increases from left to right within a period. This is caused by the decrease in atomic radius. Electron affinity decreases from top to bottom within a group. This is caused by the increase in atomic radius.
User Jeroen Ritmeijer
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