(C) The process $Na \rightarrow Na^{+} + e^{-}$ represents the Ionization Potential $(IP)$ of $Na$,which is given as $5 \ eV$. The process $Na + e^{-}

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(C) The process $Na \rightarrow Na^{+} + e^{-}$ represents the Ionization Potential $(IP)$ of $Na$,which is given as $5 \ eV$. The process $Na + e^{-} \rightarrow Na^{-}$ represents the Electron Affinity $(EA)$ of $Na$. The electron affinity of $Na$ is approximately $0.55 \ eV$. Therefore,the value of $X$ is $0.55 \ eV$.

Class 11 Chemistry Classification of Elements and Periodicity in Properties Electron affinity

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$Na^{-} \xleftarrow{x} Na \xrightarrow{5 \ eV} Na^{+}$
Predict the value of $X$ in $eV$.

A
$5$
B
$8$
C
$0.55$
D
$3$

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Classification of Elements and Periodicity in Properties

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Electron affinity

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$Na^{-} \xleftarrow{x} Na \xrightarrow{5 \ eV} Na^{+}$ Predict the value of $X$ in $eV$.

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The first electron affinity of $C, N$ and $O$ will be of the order

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In which of the following processes is energy released?

The amount of energy released on the addition of an electron in the outermost shell of an atom is called:

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$Na^{-} \xleftarrow{x} Na \xrightarrow{5 \ eV} Na^{+}$
Predict the value of $X$ in $eV$.