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Chemistry

Problem


	<b>Column-I</b><br><b>(type of elements)</b>	<b>Column-II</b><br><b>(outer electronic configuration)</b>
	(A) Inert gas elements<br>(B) Representative elements<br>(C) Transition elements<br>(D) Inner transition elements	(P) $ns^{1-2}$ to $ns^2np^5$ <br>(Q) $1s^2$ and $ns^2np^6$ <br>(R) $(n-2)f^{1-14}(n-1)d^{1 \text{ or } 0}ns^2$ <br>(S) $(n-1)d^{1-10}ns^{1 \text{ or } 2}$