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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 Properties5 Marks
Question
Write the general outer electronic configuration of s-, p-, d- and f- block elements.
✓

Answer

i. s-Block elements: $\mathrm{ns}{ }^{1-2}$ where $\mathrm{n}=2-7$.
ii. p-Block elements: $n s^2 n p^{1-6}$ where $n=2-6$.
iii. d-Block elements: $(n-1) d^{1-10} \mathrm{~ns}^{0-2}$ where $n=4-7$.
iv. f-Block elements: $(n-2) f^{0-14}(n-1) d^{0-1} n s^2$ where $n=6-7$.

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