ORELA Chemistry (NT321) Practice Questions - Oregon Educator Licensure Assessments Chemistry (NT321) Exam

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A hydrogen atom emits light when an electron falls from n = 4 to n = 2. Which statement best explains the emitted photon?

Its energy equals the difference between the two electron energy levels. Its energy equals the total binding energy of all electrons in hydrogen. Its wavelength is independent of the electron transition. It is emitted because the nucleus changes identity.

Correct Answer:

Its energy equals the difference between the two electron energy levels.

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