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)):}`

Why 2p-subhsell has the capacity to accommodate more electrons than 2s-subshell? (2) Arrange the followinng sets of electrons in order of decreasingg energy. (a) n=4, l=0, m=0, s= +(1)/(2) (b) n=3, l=1,m=1,s=-(1)/(2) (c) n=3,l=2,m=0,s=+(1)/(2) (d) n=3,l=0, m=0, s=-(1)/(2) . (3) Which is the lowest principal energy level that permits the existence of 'g' sub-shell?

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

Which of the following sets of quantum numbers do not belong to 2p subshell? (i) n=2, l=1, m=+1, s=+1/2 (ii) n=2, l=0, m=0, s=-1/2 (iii) n=1, l=1, m=0, s=+1/2

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

Which of the following sets of quantum numbers represents the highest energy of an electron? (A) n = 5, l = 0, m = 0, s = +1/2 (B) n = 6, l = 2, m = 1, s = +1/2 (C) n = 5, l = 1, m = 1, s = -1/2 (D) 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

Explain, given reasons, which of the following sets of quantum numbers are not possible. (1) n=0,l=0,m_(l)=0,m_(S)+(1)/(2) (2) n=1,l=0,m_(l)=0,m_(S)=-(1)/(2) (3) n=1,l=1,m_(l)=0,m_(S)=+(1)/(2) (4) n=2, l=1, m_(1)=0,m_(S)=-(1)/(2) (5) n=3, l=3, m_(l)=-3,m_(S)=+(1)/(2) (6) n=4, l=1, m_(l)=0,m_(S)=+(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

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