The principal quantum number, n, characterizes the
A) magnitude of the angular momentum.
B) z component of the angular momentum.
C) overall size of the trajectory.
D) Hold on. The principal quantum number contains information about each of these quantities.

Question

Quizplus · Accepted Answer

The principal quantum number, $n$, primarily determines the overall size and energy of an electron's orbit (or orbital) in an atom, not the angular momentum or its components.

The Principal Quantum Number, N, Characterizes the