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3. Classification of elements and periodicity in properties — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry3. Classification of elements and periodicity in properties1 Mark
MCQ
Among the following configurations, the element which has the highest electron affinity is
  • A
    $[Ne] \,3s^1 ,\,3p^2$
  • ✓
    $[Ne]\, 3s^2\,3p^5$
  • C
    $[Ne]\, 3s^2\,3p^4$
  • D
    $[Ne]\, 3s^2 \,3p^6 \,3d^5\, 4s^1$
✓

Answer

Correct option: B.
$[Ne]\, 3s^2\,3p^5$
b

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