Consider the following energy levels of a hypothetical atom: E4 −2.21×10−19 J E3 −7.51×10−19 J E2 −1.35×10−18 J E1 −1.75×10−18 J (a) What is the wavelength of the photon needed to excite an electron from E1 to E4? (b) What is the energy (in joules) a photon must have in order to excite an electron from E2 to E3? (c) When an electron drops from the E3 level to the E1 level, the atom is said to undergo emission. Calculate the wavelength of the photon emitted in this process.
Consider the following energy levels of a hypothetical atom: E4 −2.21×10−19 J E3 −7.51×10−19 J E2 −1.35×10−18 J E1 −1.75×10−18 J (a) What is the wavelength of the photon needed to excite an electron from E1 to E4? (b) What is the energy (in joules) a photon must have in order to excite an electron from E2 to E3? (c) When an electron drops from the E3 level to the E1 level, the atom is said to undergo emission. Calculate the wavelength of the photon emitted in this process.
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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Consider the following energy levels of a hypothetical atom:
E4 −2.21×10−19 J
E3 −7.51×10−19 J
E2 −1.35×10−18 J
E1 −1.75×10−18 J
(a) What is the wavelength of the photon needed to excite an electron from E1 to E4?
(b) What is the energy (in joules) a photon must have in order to excite an electron from E2 to E3?
(c) When an electron drops from the E3 level to the E1 level, the atom is said to undergo emission. Calculate the wavelength of the photon emitted in this process.
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