How Does Electron Affinity Relate to Energy Release in Gaseous Atoms?

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Electron affinity refers to the energy change that occurs when an electron is added to a gaseous atom, typically resulting in energy release. This energy release occurs because the added electron experiences an attractive force from the positively charged nucleus, leading to a more stable electron configuration. The process is exothermic for most elements, meaning that energy is released in the form of heat or light. Understanding electron affinity is crucial for predicting the reactivity of elements and their ability to form negative ions. Overall, the relationship between electron affinity and energy release is fundamental in the study of atomic interactions.
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What is electron affinity??

Q: Why energy is released when an electron is added to a gaseous atom?
What is electron affinity? Please explain it with reference to release of energy?
 
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Have you at least tried to check the definition?
 

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