The possible correct set of four quantum numbers for the valence electron of sodium atom (Z=11) is
3 ,2 ,1,-1/2
3 ,1 ,0,+1/2
3 ,0 ,0,+1/2
4 ,0 ,0,+1/2

Element having (4,0,0+1//2) as a set of four quantum numbers for its valence electron is-

Element having (4,0,0+1//2) as a set of four quantum numbers for its valence electron is-

The quantum numbers for the outer electrons of an atom are given by n = 2, l = 0, m = 0, s = +1//2

The values of four quantum number of valence electron of an element are n = 4, l = 0, m = 0 and s=+(1)/(2) . The element is:

What are the possible set of quantum number for highest energy electron (in ground state) for chlorine atom. {:(,n,l,m,),((A),2,0,0,),((B),2,1,-2,),((C),3,1,2,),((D),3,1,0,):}

The decrerasing order of energy for the electrons represented by the following sets of quantum number is : 1. n = 4,l = 0,m = 0,s = +- 1//2 2. n = 3,l = 1,m = 1,s = - 1//2 3. n = 3,l = 2,m = 0,s = + 1//2 4. n = 3,l = 0,m = 0,s = - 1//2

Which of the following sets of quantum numbers are impossible for electrons? Explain why in each case. |{:("Set",n,l,m,s),((i),1,0,1,+1/2),((ii),3,0,0,-1/2),((iii),1,2,2,+1/2),((iv),4,3,-3,+1/2),((v),5,2,1,-1/2),((vi),3,2,1,0):}|

Explain , giving reason , which of the following sets of quantum number are not possible {:(a,n= 0 ,l = 0, m_(1) = 0, m_(s) = +1//2),(b,n= 1 ,l = 0, m_(1) = 0, m_(s) = -1//2),(c,n= 1 ,l = 1, m_(1) = 0, m_(s) = +1//2),(d,n= 2 ,l = 1, m_(1) = 0, m_(s) = -1//2),(e,n= 3 ,l = 3, m_(1) = -3, m_(s) = +1//2),(f,n= 3 ,l = 1, m_(1) = 0, m_(s) = +1//2):}

Given this set of quantum numbers for a multi electron atom 2, 0, 0, and -1//2 . The next higher allowed set of n and 1 for this atom in its ground state

Among the following sets of quantum number, state which are possible. Explain why the other are not permitted? (a) n=1, l=0, m=-1, s=+1/2 (b) n=, l=0, m=0, s=-1/2 (c ) n=2, l=3, m=0, s=-1/2 (c ) n=2, l=3, m=0, s=+1/2 (d) n=3, l=1, m=1, s=-1/2 (e ) n=0, l=0, m=0, s=+1/2 (f ) n=2, l=0, m=0, s=-1/2