Question

Which set of quantum numbers is not permissible

n=2, l=1, m=0, s=0
n=2, l=2, m=0, s=-1/2
n=3, l=2, m=1, s=1/2
n=4, l=3, m=-2, s=-1/2

Answer 1

Answer:

Explanation:

a)This set of quantum number is permitted .

(b) This set of quantam number is not premitted as value of 's' cannot be zero.

(c) This set of quantam number is not peremitted as value of 'l' cannot be equal to 'n'

Answer 2

Answer:

The set of quantum numbers that is not permissible is n=4, l=3, m=-2, s= -1/2.

This is because the spin quantum number (s) can only take on values of either +1/2 or -1/2. Therefore, the set of quantum numbers n=4, l=3, m=-2, s=-1/2 is not permissible.

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