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

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties5 Marks
Question
Write the general outer electronic configuration of s-, p-, d- and f- block elements.
✓

Answer

  1. s-Block elements: ns1-2 where n = 2 – 7.
  2. p-Block elements: ns2 np1-6 where n = 2 - 6.
  3. d-Block elements: (n – 1) d1-10 ns0-2  where n = 4 - 7.
  4. f-Block elements: (n – 2) f0-14 (n - 1) d0-1 ns2 where n = 6 – 7.

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