Hydrogen

The atomic emission spectrum of hydrogen is shown.

Discussion

In this photo, all four visible lines can be seen, though the line at 410 nm is faint. The continuous spectrum that can be seen in the background between the hydrogen lines is from emission from excited H2 molecules and H2+ ions.

Hydrogen
Color Wavelength (nm)
Red 656
Blue-Green 486
Blue 434
Violet 410
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