Chemistry, asked by Sociophobia111, 1 year ago

need the answer pleaseee

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Answered by darkknightdragerio

1s^2 will have more ionization energy because this orbital is more penetrated towards the nucleus, so effective nuclear charge is more, so more difficult to remove an electron from this orbital

Sociophobia111: um cant it be the third answer? cuz thats the electronic config of Ne and noble gases have highest IE?

darkknightdragerio: see p orbital is less penetrated towards nucleus

Sociophobia111: yes but what about the screening effect?

darkknightdragerio: and more over the noble gas have fully filled orbital so there is more interelectronic replusion,so effective nuclear charge is less in the noble gas

darkknightdragerio: but 1s is more penetrated and interelctronic replusion is less than the noble gas

Sociophobia111: oh okay got it. Thankyou

darkknightdragerio: welcome

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