The Balmer lines correspond to wavelengths in the ____ part of the spectrum of a(n) ____ atom.
A) ultraviolet; helium
B) visible; hydrogen
C) infrared; hydrogen
D) X-ray; helium

Question

Quizplus · Accepted Answer

The Balmer lines are a series of spectral lines in the visible spectrum of hydrogen atoms. They are named after the Swiss physicist Johann Balmer, who first described them in 1885. The Balmer lines are caused by the emission of photons as electrons in a hydrogen atom transition from higher energy levels to the second energy level.

The Balmer Lines Correspond to Wavelengths in the ____ Part