(Solution) - Figure 38 10 a shows the energy levels of the sodium -(2025 Original AI-Free Solution)

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Figure 38.10 a shows the energy levels of the sodium atom. The two lowest excited levels are shown in columns labeled 2P3/2 and 2p1/2. Find the ratio of the number of atoms in a 2P3/2 state to the number in a 2P1/2 state for a sodium gas in thermal equilibrium at 500 K. In which state are more atoms found?