Which of the following species has the highes | vedclass

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(A) Electron affinity is the energy released when an electron is added to a neutral gaseous atom to form a negative ion. Among the given species,$F$ (

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$F$

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(A) Electron affinity is the energy released when an electron is added to a neutral gaseous atom to form a negative ion. Among the given species,$F$ (Fluorine) is a halogen and has a very high tendency to gain an electron to achieve a stable noble gas configuration. While $O$ has a high electron affinity,it is lower than that of $F$. $O^{-}$ is an anion,and adding an electron to it requires energy to overcome inter-electronic repulsion. $Na^{+}$ is a cation,and while it can accept an electron,the process is highly exothermic but the term 'electron affinity' is specifically defined for neutral atoms. Therefore,$F$ has the highest electron affinity among the given options.

Which of the following species has the highest electron affinity?

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