The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number = 4,there will be how many permitted orbital magnetic quantum numbers allowed?
A)3
B)4
C)8
D)9
E)16

Question

The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number = 4,there will be how many permitted orbital magnetic quantum numbers allowed?
A)3
B)4
C)8
D)9
E)​16

Quizplus · Accepted Answer

The orbital magnetic quantum number (m_l) can range from -l to +l, including 0. For l = 4, the possible values are -4, -3, -2, -1, 0, 1, 2, 3, 4, making a total of 9 permitted values.

The Quantum Mechanical Model of the Hydrogen Atom Requires That