From thefollowingin whichpairoforbitlashave moreattraction withnucleus (i) 4fand 5d (ii)4d and5 s(iii)7s and5 f ,(ii) 7p and5p( v)3dand3f

From thefollowingin whichpairoforbitlashave moreattraction withnucleus

1.	From thefollowingin whichpairoforbitlashave moreattraction withnucleus (i) 4fand 5d (ii)4d and5 s(iii)7s and5 f ,(ii) 7p and5p( v)3dand3f
Answer» Solution :(i) 4fhas mareattractionwithnuclear. 4F and5d : `(n+1)-=7` butin 4fin isless (ii) in5shas moreattraction (iii) in 7shas moreattraction 7S : (n+1)= 7,5f: (n+1) =8 (IV)in 5phas moreattractionn isless itssubshell issamebut VALUEOF n inspis LESS (v )Notpossible3fdoes not exist.