Hello! The correct one is E but why can’t it be C?

**Which of the following represents a possible set of quantum numbers:**

A. n = 2, l= 2, m =-2

B. n = 4, L =-2, m =-1

C. n = 1, l =0, m = 1

D. n = 0, l= 1, m =-1

E. n = 3, l= 2, m =-1

Hello! The correct one is E but why can’t it be C?

**Which of the following represents a possible set of quantum numbers:**

A. n = 2, l= 2, m =-2

B. n = 4, L =-2, m =-1

C. n = 1, l =0, m = 1

D. n = 0, l= 1, m =-1

E. n = 3, l= 2, m =-1

Hi!

With n=1 the possible quantum numbers are (1;0;0), with only possible value of l=0. Since the magnetic quantum number ranges from -l to +l it can only take the value of 0 when n=1.

Hope this helps!

1 Like