Rydberg formula

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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Notion

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Science and technology

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What Wikipedia says

In atomic physics, the Rydberg formula calculates the wavelengths of a spectral line in many chemical elements. The formula was primarily presented as a generalization of the Balmer series for all atomic electron transitions of hydrogen.

Excerpt from the Wikipedia article “Rydberg formula”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Original document by Gustaf Daniel Heüman (1868-1934). Digitization of this 2D work does not create a new work., Public domain, via Wikimedia Commons.