NCERT Exercise 3.29 - Classification of Elements and Periodicity in Properties

Question: Write general outer electronic configurations for s-, p-, d- and f-block elements.

Answer: s: ns1-2; p: ns2np1-6; d: (n-1)d1-10 ns0-2; f: (n-2)f1-14 (n-1)d0-1 ns2.

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