Which elements in a period have the maximum a | vedclass

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(A) In any given period,the ionization enthalpy increases from left to right due to the increase in effective nuclear charge and decrease in atomic si

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Noble gases and Alkali metals

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(A) In any given period,the ionization enthalpy increases from left to right due to the increase in effective nuclear charge and decrease in atomic size. Noble gases have the maximum ionization enthalpy due to their stable $ns^2 np^6$ electronic configuration. Alkali metals have the minimum ionization enthalpy because they have the largest atomic size and the lowest effective nuclear charge in their respective period.

Which elements in a period have the maximum and minimum ionization enthalpy?

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