To go from a lower level in an atom to a higher level, an electron must
A) give off a photon of energy
B) lose its electric charge
C) absorb a photon of energy
D) wait until the atom has changed into another atom with more protons
E) get a permission slip from Niels Bohr

Question

Quizplus · Accepted Answer

When an electron goes from a lower level to a higher level, it needs to absorb energy, typically in the form of a photon, in order to move to a higher energy level. This process is known as excitation.

To Go from a Lower Level in an Atom to a Higher