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

From the following sets of quantum numbers, state which are possible. Explain why the others are not possible. (a) n=0, l=0, m_(l)=0, s=+1//2 , (ii) n=1, l=0, m_(l)=0, s=-1//2 (iii) n=1, l=1, m_(1)=0, s=+1//2 , (iv) n=1, l=0, m_(l)=+1, s=+1//2

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

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 = 3 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

From the following sets of quantum numbers, state which are possible. Explain why the others are not possible. (i) n=0, l=0, m_(l)=0, m_(s)=+1//2 " " (ii) n=1, l=0, m_(l)=0, m_(s)=-1//2 (iii) n=1, l=1, m_(l)=0, m_(s)= +1//2 " " (iv) n=1, l=0, m_(l)=+1, m_(s)=+1//2 (v) n=3, l=3, m_(l)=-3, m_(s)=+1//2 " " (vi) 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

Which of the following sate of quantum numbers is not permissible for an electron in an atom? (i) n = 1,l = 1, m_(l) 0, m_(s) =+ 1//2 (ii) n = 3, l = 1, m_(1) =- 2, m_(s) =- 1//2 (iii) n =1, l = 1, m_(l) = 0, m_(s) =+ 1//2 (iv) n = 2, l = 0, m_(l) = 0, m_(s) = 1

Explain given 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 = 2",", m_l=0",", m_s = + 1//2):}