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## General InfoEdit

### WhatEdit

The ratio of the number of atoms in different states of excitation for neutral atoms is given by the Boltzmann Equation. This ratio is described as a function of temperature.

$\frac {N_b}{N_a} = \frac {g_b}{g_a} e^{-(E_b - E_a)/kT}$

### DegeneracyEdit

• Hydrogen: $g_n = 2n^2$

### Energy LevelsEdit

• Hydrogen: $E_n = - \frac {1}{n^2} 13.6 eV$