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Rydberg formula and spectral series (Lyman, Balmer, Paschen, Brackett, Pfund)

Atomic Structure · Chemistry

Study notes

Find the series limit wavelength of the Balmer series. Step 1: Series limit: electron falls from n₂ = ∞ to n₁ = 2. Step 2: 1/λ = R(1/2² − 1/∞²) = 1.097 × 10⁷ × 1/4. Step 3: 1/λ = 2.7425 × 10⁶ m⁻¹. Step 4: λ = 364.6 nm — the bluest edge of the Balmer series (near UV).

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