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Atomic Structure Energy of Electronic Transitions

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What energy is emitted when an electron in hydrogen falls from n = 3 to n = 2?

Verified Answer & Explanation⌄

Correct Answer: C) 1.89 eV

Concept Explanation

E₂ = −13.6/4 = −3.40 eV E₃ = −13.6/9 ≈ −1.51 eV ΔE = |E₂ − E₃| = 1.89 eV.

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