Q. Which statement about the four quantum numbers which describe electrons in atoms is incorrect?
A. n = principal quantum number, n = 1, 2, 3, ……
B. l = subsidiary (or azimuthal) quantum number, l = 1, 2, 3, … , (n+1)
C. ml = magnetic quantum number, ml = (-l), …. , 0, …. , (+l)
D. ms = spin quantum number, ms = +1/2 or -1/2.
Answer: l = subsidiary (or azimuthal) quantum number, l = 1, 2, 3, … , (n+1)
