Whichof the followingis notpermissiblearrangementof electronin an atom

1.	Whichof the followingis notpermissiblearrangementof electronin an atom ?
Answer» `N= 5,1 =3 m=0 , s=+(1)/(2)` n=3 ,1 =2 m=-3 ,s= `(1)/(2)` `n=3 ,1=2 m=2 ,s= (1)/(2)` `n=4,1=0 n m=0 s=(1)/(2)` ANSWER :B

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