Arrange the following set of quantum number highest energy of an electron. `{:((p)n=4,i=1,m=+1,s=+(1)/(2)),((1)n=4,i=2,m=-1,s=-(1)/(2)),((r)n=3,i=2,m=0,s=+(1)/(2)),((s)n=3,i=1,m=+1,s=-(1)/(2)):}`

Which of the following sets of quantum numbers represents the highest energy of an electron? I n=5,l=0,m=0,s=+1/2 II n=6,l=2,m=1,s=+1/2 III n=5,l=1,m=1,s=-1/2 IV n=4,l=1,m=0,s=-1/2

The set of Quantum numbers that is not possible for a d-electron (A) n=3, l=2, m=0, s=+1/2 (B) n=2, l=2, m=-2, s=+1/2 (C) n=4, l=2;m=+2, s=+1/2 (D) n=4, l=2, m=-1, s=-1/2

Which of the following sets of quantum numbers represent an impossible arrangement :- {:(,n,l,m,m_(s),),((A),3,2,-2,(1)/(2),),((B),4,0,0,(1)/(2),),((C),3,2,-3,(1)/(2),),((D),5,3,0,(1)/(2),):}

Arrange the electrons represented by the following sets of quantum numbers in decreasing order of energy. (i) n=4, l=0, m_(l)=0, s=+1//2 , (ii) n=3, l=1, m_(l)=1, s=-1//2 (iii) n=3, l=2, m_(l)=0, s=+1//2 , (iv) n=3, l=0, m_(l)=0, s=-1//2

For which of the following sets of quantum numbers, an electron will have the highest energy? qquad a)[n=3;l=2;m=1; s=-(1)/(2) ,B)[n=4;l=3;m=-1;s=+(1)/(2)] ,c)[n=4;l=1;m=-1;s=+(1)/(2)] ,d)[n=5;l=0;m=0;s=-(1)/(2)]

Which set of quantum number is not consistent with the quantum mechanical theory (A) n=2,l=1,m=1,s=1/2 (B) n=4,l=3,m=2,s=-1/2 (C) n=3,l=2,m=3,s=+1/2 (D) n=4,l=3,m=3,s=+1/2

State whether the following sets of quantum numbers can be allowed or not : n=3, l=2, m_(1)=-1, s=+1//2

4) Which of the following set of quantum number is not possible? (A) "n=3,l=2,m=-1, s=-1/2 (B) "n=4,l=2,m=-2, s=+1/2 (C) "n=3,l=1,m=2, s=-1/2 (D) "n=4,l=1,m=1, s=+1/2

Which of the following set of quantum numbers represent maximum number of electrons in Ni (Nickel) (1) "n=2,l=1,m=+1 (2) "n=3, l=2,m=0] (3) "n=3,m=0, s=+1/2 (4) "n=4,m=0, s=-1/2

Which of the following set of quantum numbers are not permited (a) n=3, l=2,m=-2,s=+1/2 (b) n=3, l=2, m=-1,s=0 (c) n=2 ,l=2,m=+1,s=-1/2