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Question 9 The electron in a hydrogen atom falls from an excited energy level to the ground state in two steps, causing the emission of photons with wavelengths of 2624 nm and 97.2 nm, respectively. What is the principal quantum number or shell of the initial excited energy level from which the electron falls? A) 8 B) 6 O C) 3 D) 4 O E) 2

Question 9 The electron in a hydrogen atom falls from an excited energy level to the ground state in two steps, causing the emission of photons with wavelengths of 2624 nm and 97.2 nm, respectively. What is the principal quantum number or shell of the initial excited energy level from which the electron falls? A) 8 B) 6 O C) 3 D) 4 O E) 2

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter5: Electrons In The Atom
Section: Chapter Questions
Problem 50A
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Question 9 The electron in a hydrogen atom falls from an excited energy level to the ground state in two steps, causing the emission of photons with wavelengths of 2624 nm and 97.2 nm, respectively. What is the principal quantum number or shell of the initial excited energy level from which the electron falls? A) 8 B) 6 C) 3 D) 4 E) 2
Transcribed Image Text:Question 9 The electron in a hydrogen atom falls from an excited energy level to the ground state in two steps, causing the emission of photons with wavelengths of 2624 nm and 97.2 nm, respectively. What is the principal quantum number or shell of the initial excited energy level from which the electron falls? A) 8 B) 6 C) 3 D) 4 E) 2
Question 10 A possible set of quantum numbers for the last electron added to complete an atom of gallium (Ga) in its ground state is m m; A. 4 -1/2 В.3 1 -1/2 C. 4 1 +1/2 D. 3 Е. 4 1 1 +1/2 +1/2 1 A) A. В) в. O C) c. D) D. E) E.
Transcribed Image Text:Question 10 A possible set of quantum numbers for the last electron added to complete an atom of gallium (Ga) in its ground state is m m; A. 4 -1/2 В.3 1 -1/2 C. 4 1 +1/2 D. 3 Е. 4 1 1 +1/2 +1/2 1 A) A. В) в. O C) c. D) D. E) E.
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