When a hydrogen atom is excited, it emits visible radiation. This radiation is predominantly in the:
A)red.
B)blue.
C)green.
D)yellow.

Question

Quizplus · Accepted Answer

When a hydrogen atom is excited and then returns to a lower energy level, it emits radiation in various spectral lines. The most prominent of these in the visible spectrum is the Balmer series, which includes the H-alpha line in the red part of the spectrum.

When a Hydrogen Atom Is Excited, It Emits Visible Radiation