Gradual addition of electronic shells in the | vedclass

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(A) As the number of electronic shells increases down the group in noble gases,the atomic size increases. Due to the increase in atomic size,the dista

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Ionization energy

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(A) As the number of electronic shells increases down the group in noble gases,the atomic size increases. Due to the increase in atomic size,the distance between the nucleus and the outermost valence electrons increases,which reduces the effective nuclear charge experienced by the valence electrons. Consequently,the energy required to remove an electron,known as the $Ionization  energy$ $(I.E.)$,decreases.

Gradual addition of electronic shells in the noble gases causes a decrease in their

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