Answer:
The electron
Explanation:
The electron is responsible because it absorbs incoming energy by switching it's orbiting level one step higher and when releasing the given energy it jumps back to it's original orbiting level and emits visible light!
Answer: photons
Explanation: When an electron jumps from the second energy level to the first, it gives off energy by releasing light. The atom aborbes or emits the light in photons. Each photon has definite energy.
warning: i could be wrong so I'm sorry if i am incorrect.
