# QUANTUM NUMBER NOTATION

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**QUANTUM NUMBER NOTATION**

The wave functions for the hydrogen atom are determined by the values of three quantum numbers n, I, and mi. The energy E. is determined by the principal quantum number n according to Eq. (43-3). The magnitude of orbital angular momentum is determined the orbital quantum number I, as in Eq. (43-4). The component of orbital angular mentum in a specified axis direction (customarily the z-axis) is determined by the ic quantum number ml, as in Eq. (43-5). For each energy level E. given by Eq. 3-3), there is more than one distinct state having the same energy but different quad numbers. The existence of more than one distinct state with the same energy is degeneracy; it has no counterpart in the Bohr model. with various values of the orbital quantum number 1are often labeled with let according to the following scheme: