Which of the following correctly explains How energy is emitted when an atom returns to the ground state?
a. When an atom returns to the ground state, it releases energy in the form of a photon, Which is a particle of light.
b. The energy emitted when an atom returns to the ground state is in the form of electromagnetic radiation, such as visible light or ultraviolet radiation.
c. As an atom returns to the ground state, it releases energy in the form of heat, Which is then dissipated into the surrounding environment.
d. When an atom returns to the ground state, it releases energy in the form of kinetic energy, causing the atom to vibrate and generate heat.