1. Excitations in the Bohr model. One can excite the electronic state of an atom by hitting it with a photon whose energy corresponds exactly to the energy spacing between two energy states. This is the essence of spectroscopy. (a) According to the Bohr model for a hydrogen atom, what is the energy difference between the ground state (n = 1) and each of the first (n = 2), second (n = 3), and third (n = 4) excited states? (Note: the electron always starts in the ground state). What wavelength of light, in nanometers, is needed to cause each of these excitations? (b) What region of the electromagnetic spectrum do the wavelengths from part (a) corre- spond to? (c) What wavelength of light (in nm) is required to ionize the atom? What happens if you hit the atom with an even shorter wavelength of light? (d) The Bohr model can also be used to describe other one-electron atoms such as He*, Li?+, etc. How does the energy for these excitations change qualitatively as the nuclear charge increases?
1. Excitations in the Bohr model. One can excite the electronic state of an atom by hitting it with a photon whose energy corresponds exactly to the energy spacing between two energy states. This is the essence of spectroscopy. (a) According to the Bohr model for a hydrogen atom, what is the energy difference between the ground state (n = 1) and each of the first (n = 2), second (n = 3), and third (n = 4) excited states? (Note: the electron always starts in the ground state). What wavelength of light, in nanometers, is needed to cause each of these excitations? (b) What region of the electromagnetic spectrum do the wavelengths from part (a) corre- spond to? (c) What wavelength of light (in nm) is required to ionize the atom? What happens if you hit the atom with an even shorter wavelength of light? (d) The Bohr model can also be used to describe other one-electron atoms such as He*, Li?+, etc. How does the energy for these excitations change qualitatively as the nuclear charge increases?
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 61A: What is the difference between an atom’s ground state and an excited state?
Related questions
Question
Transcribed Image Text:4. Excitations in the Bohr model. One can excite the electronic state of an atom by hitting
it with a photon whose energy corresponds exactly to the energy spacing between two energy
states. This is the essence of spectroscopy.
(a) According to the Bohr model for a hydrogen atom, what is the energy difference between
the ground state (n = 1) and each of the first (n = 2), second (n = 3), and third (n = 4)
excited states? (Note: the electron always starts in the ground state). What wavelength
of light, in nanometers, is needed to cause each of these excitations?
(b) What region of the electromagnetic spectrum do the wavelengths from part (a) corre-
spond to?
(c) What wavelength of light (in nm) is required to ionize the atom? What happens if you
hit the atom with an even shorter wavelength of light?
(d) The Bohr model can also be used to describe other one-electron atoms such as He+,
Li2+, etc. How does the energy for these excitations change qualitatively as the nuclear
charge increases?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Recommended textbooks for you
Chemistry: Matter and Change
Chemistry
ISBN:
9780078746376
Author:
Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:
Glencoe/McGraw-Hill School Pub Co
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry: Matter and Change
Chemistry
ISBN:
9780078746376
Author:
Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:
Glencoe/McGraw-Hill School Pub Co
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:
9781337398909
Author:
Lawrence S. Brown, Tom Holme
Publisher:
Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:
9781285199047
Author:
John W. Moore, Conrad L. Stanitski
Publisher:
Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:
9780534420123
Author:
Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:
Cengage Learning