An excited atom is unstable and tends to rearrange itself to return to its lowest energy state. … The lines in an emission spectrum occur when the electron loses energy, “falls back”, from a higher energy state to a lower one emitting photons at different frequencies for different energy transitions.
Answers ( )
Answer:
An excited atom is unstable and tends to rearrange itself to return to its lowest energy state. … The lines in an emission spectrum occur when the electron loses energy, “falls back”, from a higher energy state to a lower one emitting photons at different frequencies for different energy transitions.
Explanation: