Hydrogen spectral series Спектральный ряд водорода

https://en.wikipedia.org/wiki/Hydrogen_spectral_series

Ряд Бальмера ( n′ = 2)

Основная статья: серия Бальмера

Четыре видимые линии спектра излучения водорода в серии Бальмера. H-альфа — красная линия справа.

Lyman series of hydrogen atom spectral lines in the ultraviolet

The spectral series of hydrogen, on a logarithmic scale

Electron transitions and their resulting wavelengths for hydrogen. Energy levels are not to scale.

Energy level diagram of electrons in hydrogen atom

https://observablehq.com/@mariodelgadosr/balmer-series-spectral-lines-of-the-hydrogen-atom

Arc marks are circular arcs defined by a center point plus angular and radial extents. Arc marks are typically used for radial plots such as pie and donut charts.