Chemistry, asked by niharikajaiswal, 6 months ago

why 1st I.E of group 15 elements is greater than that of group 16 elements.

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Answered by Ayesha15Shaikh

1

Answer:

Electrons in s orbitals face more nuclear charge than p orbital electrons in same shell. ... Since group 15 elements have more stable nuclei ,therefore to remove electron from it will require more energy compared to group 16 elements. Thus , first ionisation enthalpy of group 15 will be higher than group 16 elements.

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