1.

Match the column- {:(,"Column-I",,"Column-II",),(,("Atomic /Molecular species"),,("Corresponding pairs"),),((A),"Isotope",(P),.^(228)"Ra"_(88) " & " ^(228 )"Ac"_(89),),((B),"Isobar",(Q),.^(39)"Ar"_(18) " &"^(40)"K"_(19),),((C),"Isotone",(R), .^(235)"U"_(92) " & " ^(231)"Th"_(90),),((D),"Isosters",(S),.^(235) "U"_(92) " & " ^(231)"Th"_(90),),((E),"Isodiaphers",(T),CO_(2) " & " "N"_(2)O,):}

Answer»

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Answer :[(A)R;(B)P;(C)Q;(D)T;(E)S]


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