Chemistry

Problem

	<b>Column-I</b><br><b>(elements)</b>	<b>Column-II</b><br><b>(periodic properties)</b>
	(A) F<br>(B) Cl<br>(C) Fe<br>(D) He	(P) Maximum ionization energy<br>(Q) Maximum electronegativity<br>(R) Maximum electron affinity<br>(S) Variable oxidation state