All Quantum States Forming a Sub-Shell Have the Same
A)principal $\ell$

Multiple Choice

All quantum states forming a sub-shell have the same

A) principal quantum number n.
B) orbital quantum number $\ell$
C) orbital magnetic quantum number $m _ { t }$ .
D) n, $\ell$ and $m _ { t }$
E) n and $\ell$ only.