Which element having the following electronic | vedclass

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(C) The correct option is $C$. Ionization potential generally decreases down a group and increases across a period. Option $A$ $(1s^1)$ is Hydrogen. O

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$1s^2, 2s^2, 2p^6, 3s^1$

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(C) The correct option is $C$. Ionization potential generally decreases down a group and increases across a period. Option $A$ $(1s^1)$ is Hydrogen. Option $B$ $(1s^2, 2s^2, 2p^6)$ is Neon,a noble gas with a very high ionization potential. Option $C$ $(1s^2, 2s^2, 2p^6, 3s^1)$ is Sodium,an alkali metal $(Group \ 1)$. Alkali metals have the lowest ionization potential in their respective periods. Option $D$ $(1s^2, 2s^2, 2p^2)$ is Carbon. Comparing these,Sodium $(3s^1)$ has the lowest ionization potential due to its larger atomic size and lower effective nuclear charge compared to the others.

Which element having the following electronic configurations has the minimum ionization potential?

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