6. Metals can be identified using the emission spectrum produced when a sample is burned in a flame. The flame excites the electrons, which then transition to lower levels and produce emission lines. (a) The emission line used for zinc determinations in spectroscopy is 214 nm. If 7.7 ×1013 Zn atoms emit light in the flame at any given instant, what energy (in J) must the flame continuously supply? (b) During an emission, electrons move from a higher energy to a lower energy orbital. Which of following are valid transitions that produce lines in the emission spectrum of Zn? [Ar] 4s² 3d10 [Ar] 3d10 [Ar] 4s 3d10 [Ar]4s' 3d0 6s' [Ar] 4s? 3d10 [Ar] 4s' 3d! [Ar] 4s' 3d10 6s' [Ar] 4s? 3d10 [Ar] 4s² 3d!0 → [Ar]4s² 3d!0 4p² [Ar] 3d'0 → [Ar] 4s² 3d!0
6. Metals can be identified using the emission spectrum produced when a sample is burned in a flame. The flame excites the electrons, which then transition to lower levels and produce emission lines. (a) The emission line used for zinc determinations in spectroscopy is 214 nm. If 7.7 ×1013 Zn atoms emit light in the flame at any given instant, what energy (in J) must the flame continuously supply? (b) During an emission, electrons move from a higher energy to a lower energy orbital. Which of following are valid transitions that produce lines in the emission spectrum of Zn? [Ar] 4s² 3d10 [Ar] 3d10 [Ar] 4s 3d10 [Ar]4s' 3d0 6s' [Ar] 4s? 3d10 [Ar] 4s' 3d! [Ar] 4s' 3d10 6s' [Ar] 4s? 3d10 [Ar] 4s² 3d!0 → [Ar]4s² 3d!0 4p² [Ar] 3d'0 → [Ar] 4s² 3d!0
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter5: Electron Configurations And The Periodic Table
Section: Chapter Questions
Problem 141QRT
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![6. Metals can be identified using the emission spectrum produced when a sample is burned in a flame. The
flame excites the electrons, which then transition to lower levels and produce emission lines.
(a) The emission line used for zinc determinations in spectroscopy is 214 nm. If 7.7 ×1013 Zn atoms emit
light in the flame at any given instant, what energy (in J) must the flame continuously supply?
(b) During an emission, electrons move from a higher energy to a lower energy orbital.
Which of following are valid transitions that produce lines in the emission spectrum of Zn?
[Ar] 4s? 3d10
[Ar] 3d!0
[Ar] 4s? 3d10.
[Ar]4s' 3d10 6s'
>
[Ar] 4s? 3d10
[Ar] 4s' 3d!!
[Ar] 4s' 3d10 6s' → [Ar] 4s? 3d10
[Ar] 4s? 3d10 → [Ar]4s² 3d10 4p²
[Ar] 3d10 → [Ar] 4s² 3d10](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4d70c8f3-1c5c-4759-9997-6faf7d9b3f79%2Fed76e357-996d-4fcd-b314-7ac05f667624%2Fkwjkm3_processed.jpeg&w=3840&q=75)
Transcribed Image Text:6. Metals can be identified using the emission spectrum produced when a sample is burned in a flame. The
flame excites the electrons, which then transition to lower levels and produce emission lines.
(a) The emission line used for zinc determinations in spectroscopy is 214 nm. If 7.7 ×1013 Zn atoms emit
light in the flame at any given instant, what energy (in J) must the flame continuously supply?
(b) During an emission, electrons move from a higher energy to a lower energy orbital.
Which of following are valid transitions that produce lines in the emission spectrum of Zn?
[Ar] 4s? 3d10
[Ar] 3d!0
[Ar] 4s? 3d10.
[Ar]4s' 3d10 6s'
>
[Ar] 4s? 3d10
[Ar] 4s' 3d!!
[Ar] 4s' 3d10 6s' → [Ar] 4s? 3d10
[Ar] 4s? 3d10 → [Ar]4s² 3d10 4p²
[Ar] 3d10 → [Ar] 4s² 3d10
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