The four quantum numbers of the outermost orbital of K (atomic no. =19) are:

(1)  n= 2, l= 0, m=0, s= +1/2          

(2) n= 4, l= 0, m=0, s= +1/2         

(3) n= 3, l= 1, m=1, s= +1/2          

(4)n= 4, l= 2, m=-1 s= +1/2

Ans: n= 4, l= 0, m=0, s= +1/2

 

Posted Date: 5/20/2013 4:54:12 AM | Location : United States

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