What happens as an electron falls from a higher level to a lower level in an atom?
A) a photon is given off
B) the color of the wave involved shifts to the red
C) a photon is absorbed
D) another electron from the lower level takes its place
E) nothing happens; electrons can only go from a lower level to a higher level

Question

Quizplus · Accepted Answer

As an electron falls from a higher energy level to a lower energy level in an atom, it releases energy in the form of a photon. This energy release is what causes the atom to emit light or electromagnetic radiation.

What Happens as an Electron Falls from a Higher Level