Uploaded October 2018 | Updated September 2026, 50 minutes ago

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This video explains how to determine the wavelength of light absorbed when an electron transitions from a lower energy level to a higher energy level.

The most common transitions are (1) the Lyman series in which electrons transition to the ground state (n = 1). This series emits light in the ultraviolet; (2) the Balmer series in which electrons transition to first excited state (n = 2). This series emits light in the visible portion of the spectrum; (3) the Paschen series in which electrons transition to second excited state (n = 3). This series emits light in the infrared portion of the spectrum.

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