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d-and f-Block Elements — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryd-and f-Block Elements1 Mark
MCQ
The general electronic configuration of lanthanides is:
  • ✓
    $(n-2) f^{1-14}(n-1)^{s^2} p^6 d^{0-1} n s^2$
  • B
    $(n-2) f^{10-14}(n-1) d^{0-1} n s^2$
  • C
    $(n-2) f^{0-14}(n-1) d^{10} n s^2$
  • D
    $(n-2) d^{0-1}(n-1) f^{1-4} n s^2$
✓

Answer

Correct option: A.
$(n-2) f^{1-14}(n-1)^{s^2} p^6 d^{0-1} n s^2$
A

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