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JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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The electronic configuration of the atom having maximum difference in first and second ionisation energies is

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Correct option: A

1{s^2},2{s^2},2{p^6},3{s^1}

Option A (

1{s^2},2{s^2},2{p^6},3{s^1}

) is correct because after removing one electron, it achieves a stable noble gas configuration, resulting in a significantly higher second ionization energy.

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The compounds of the s-block elements, with the exception of lithium and ...

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