All quantum states forming a 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.

Question

All quantum states forming a 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.

Quizplus · Accepted Answer

All quantum states forming a shell have the same principal quantum number, which corresponds to the energy level of the electron. The other quantum numbers (such as orbital and magnetic quantum numbers) may differ, but they are all associated with the same energy level.

All Quantum States Forming a Shell Have the Same A)principal ℓ\ellℓ

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