Interpretation Introduction To determine: Transition which caused the photoelectric effect and reason for the same. Explanation The energy for a transition is given by the difference in energies corresponding to the energy levels involved and can be expressed as follows: Δ E = − 2.18 × 10 − 18 J ( 1 n f 2 − 1 n i 2 ) Here, Δ E is the energy for the transition when an electron moves from n i energy level to n f energy level. Calculate the energy for the transition n i = 4 → n f = 3 by substituting the values in the above equation as follows: Δ E 4 → 3 = − 2.18 × 10 − 18 J ( 1 3 2 − 1 4 2 ) = − 2.18 × 10 − 18 J ( 16 − 9 16 × 9 ) = − 0 .10597 × 10 − 18 J Calculate the energy for the transition n i = 3 → n f = 2 by substituting the values in the above equation as follows: Δ E 3 → 2 = − 2

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ISBN: 9780321809247

Author: Nivaldo J. Tro

Publisher: Prentice Hall

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Chapter 7, Problem 104E

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To determine: Transition which caused the photoelectric effect and reason for the same.

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Chapter 7, Problem 103E

Chapter 7, Problem 105E

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Chapter 7 Solutions

Chemistry: A Molecular Approach

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