Which of the following elements has the maxim | vedclass

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(D) The first ionization potential increases across a period from left to right and decreases down a group. The elements $Na$,$Mg$,and $Al$ belong to

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$Mg$

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(D) The first ionization potential increases across a period from left to right and decreases down a group. The elements $Na$,$Mg$,and $Al$ belong to the $3^{rd}$ period,while $K$ belongs to the $4^{th}$ period. Among $Na$,$Mg$,and $Al$,the order of ionization potential is $Na $Mg$ has a higher ionization potential than $Al$ due to its stable fully-filled $3s^2$ electronic configuration. Therefore,$Mg$ has the maximum ionization potential among the given options.

Which of the following elements has the maximum first ionization potential?

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