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Classification of Elements and Periodicity in Properties — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties1 Mark
MCQ
Outer electronic configuration of $f-$ block elements is :
  • A
    $\ce{(n+1) f^{1-14}(n-1) d^{0-1} n s^2} $
  • B
    $\ce{(n-2) f^{1-14}(n+1) d^{0-1} n s^2} $
  • ✓
    $\ce{(n-2) f^{1-14}(n-1) d^{0-1} n s^2} $
  • D
    None of the above.
✓

Answer

Correct option: C.
$\ce{(n-2) f^{1-14}(n-1) d^{0-1} n s^2} $

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