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a) What are their work functions? b) What are the kinetic energies and velocities of electrons ejected if they are subjected to the same radiation with the wavelength of 400 nm? c) Can you estimate the order of sizes of atomic radius of these metals? Explain your answer.

a) What are their work functions? b) What are the kinetic energies and velocities of electrons ejected if they are subjected to the same radiation with the wavelength of 400 nm? c) Can you estimate the order of sizes of atomic radius of these metals? Explain your answer.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter7: Atomic Structure And Periodicity
Section: Chapter Questions
Problem 180CP: Answer the following questions, assuming that ms, could have three values rather than two and that...
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1. The threshold wavelengths for two members of alkali metals A and B in the periodic system of elements are 564 nm and 539 nm, respectively. a) What are their work functions? b) What are the kinetic energies and velocities of electrons ejected if they are subjected to the same radiation with the wavelength of 400 nm? c) Can you estimate the order of sizes of atomic radius of these metals? Explain your answer.
Transcribed Image Text:1. The threshold wavelengths for two members of alkali metals A and B in the periodic system of elements are 564 nm and 539 nm, respectively. a) What are their work functions? b) What are the kinetic energies and velocities of electrons ejected if they are subjected to the same radiation with the wavelength of 400 nm? c) Can you estimate the order of sizes of atomic radius of these metals? Explain your answer.
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