Chris the Chemist was working in the lab, and he wanted to see what would happen if he put copper chloride into a Bunsen burner flame. As soon as he put it in the flame, it began to emit a green color. Which of these BEST describes this outcome? A)The heat split the nucleus and created a new element. B)As the copper chloride was heated, electrons were turned into neutrons. C)As the electrons moved to a higher energy level, a photon of light is emitted. D)When excited electrons return back to the ground state, a photon of light is emitted.