Hydrogen atoms can emit four spectral lines with visible colors from red to violet. These four visible lines emitted by hydrogen atoms are produced by electrons
A) that end up in the n = 3 level.
B) that start in the ground state.
C) that end up in the ground state.
D) that end up in the n = 2 level.
E) that start in the n = 2 level.

Question

Quizplus · Accepted Answer

The four visible spectral lines emitted by hydrogen atoms are part of the Balmer series, which occurs when electrons transition to the n = 2 energy level from higher energy levels (n > 2).

Hydrogen Atoms Can Emit Four Spectral Lines with Visible Colors