Electron Energy Levels
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Describe how an inner electron can move between energy levels.
• An electron can move into a higher energy level by absorbing electromagnetic radiation • An electron can move into a lower energy level by emitting electromagnetic radiation
State the name of the type of particle created when an atom loses or gains outer electrons.
Ion
State the charge of the particle if it is created by an atom losing an outer electron.
+1
(Exam-style question)
(Exam-style question) Explain why electrons falling to the first energy level of an atom release electromagnetic radiation with a higher frequency than those falling to the second energy level.
• As you get further away from a nucleus, the energy levels get closer together • Electrons falling to the first energy level have a greater change in energy than those falling to the second energy level • This means they release electromagnetic radiation with a higher energy • Therefore, a higher frequency is released when an electron falls to the first energy level