What is the decreasing order of the ionizatio | vedclass

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Question

(B) The ionization energy generally increases from left to right across a period.However,exceptions occur due to the stable electronic configurations

Vedclass · Accepted Answer

$Ne > Cl > P > S > Mg > Al$

Vedclass · Answer

(B) The ionization energy generally increases from left to right across a period.However,exceptions occur due to the stable electronic configurations of Group $2$ elements $(ns^2)$ and Group $15$ elements $(ns^2 np^3)$.Comparing the elements: $Ne$ (Group $18$),$Cl$ (Group $17$),$S$ (Group $16$),$P$ (Group $15$),$Mg$ (Group $2$),$Al$ (Group $13$).Due to the half-filled $p$-orbital stability of $P$ and the full-filled $s$-orbital stability of $Mg$,the order is: $Ne > Cl > P > S > Mg > Al$.

What is the decreasing order of the ionization energy for the following elements?

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