1) This question explores the energy associated with an electron transition from n = 5 to n = 2. a) Make a rough sketch of the electron energy level diagram for hydrogen. Make a horizontal line for each of the energy levels corresponding to n = 1 through n = 6. (Notice part b also has you add something else too!) Place a picture of your drawing here, by pasting it in as an image. It may help to email yourself a picture first (no need for camscanner, an image is acceptable). Delete these words when you do that! b) In your energy level sketch, make a vertical arrow between the levels that illustrates an electron transition from n = 5 to n = 2. Questions below, c, d, and e refer to the same transition. Answer above on your diagram above c) Find the energy change, in joules, for a single hydrogen electron undergoing this transition. Put your final answer here with units! d) Convert the energy change in part c to units of kilojoules per mole of electrons. Put your final answer here with units! e) Find the energy, frequency, and wavelength (in nm) of the photon emitted from a single hydrogen atom whose electron undergoes the relaxation. Label each result clearly.

Chemistry
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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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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2) Find the energy required to ionize a ground state hydrogen atom.
That is, what is the energy required to make the transition from n
= 1 to n =∞. Hint: Notice the placement of the infinity in the
denominator of a fraction. To be able to arrive at the answer for
this question, you will need to approximate the fraction with the
infinity symbol.
Put your final for
ENERGY here with
units!
3) If an electron in a hydrogen atom relaxes to the second energy
level, emitting a photon of wavelength 410.2 nm, what higher
energy level did it start at?
Put your final answer
for n here!
4) Consider an electron transition in a hydrogen atom from n = 5 to
n = 2, versus a transition from n = 3 to n = 2. Do not perform a
calculation to answer the following questions.
a. Which transition emits a higher energy photon? How can
you tell?
Put your typed answer here, by clicking on these words
and typing! Resize the space as needed, if you need
more room
b. One of these transitions for corresponds to a red photon, and
the other to a blue photon. Which transition emits the red
photon?
Put your typed answer here, by clicking on these words
and typing! Resize the space as needed, if you need
more room
5) Consider an electron transition in a hydrogen atom from n = 3 to
n = 2, versus a transition from n = 2 to n = 1. Do not perform a
calculation to answer the following questions.
a. Which transition emits a higher energy photon? How can
you tell?
Put your typed answer here, by clicking on these words
and typing! Resize the space as needed, if you need
more room.
b. One of these transitions corresponds to a photon in the
visible part of the spectrum, while the other is not visible to
the human eye due to the higher energy.
i. Which transition emits the photon out of the visible
range?
Put your typed answer here, by clicking on these words
and typing! Resize the space as needed, if you need
more room.
ii. Is it more likely in the UV-range, or the IR-range?
Put your typed answer here, by clicking on these words
and typing! Resize the space as needed, if you need
more room.
Transcribed Image Text:2) Find the energy required to ionize a ground state hydrogen atom. That is, what is the energy required to make the transition from n = 1 to n =∞. Hint: Notice the placement of the infinity in the denominator of a fraction. To be able to arrive at the answer for this question, you will need to approximate the fraction with the infinity symbol. Put your final for ENERGY here with units! 3) If an electron in a hydrogen atom relaxes to the second energy level, emitting a photon of wavelength 410.2 nm, what higher energy level did it start at? Put your final answer for n here! 4) Consider an electron transition in a hydrogen atom from n = 5 to n = 2, versus a transition from n = 3 to n = 2. Do not perform a calculation to answer the following questions. a. Which transition emits a higher energy photon? How can you tell? Put your typed answer here, by clicking on these words and typing! Resize the space as needed, if you need more room b. One of these transitions for corresponds to a red photon, and the other to a blue photon. Which transition emits the red photon? Put your typed answer here, by clicking on these words and typing! Resize the space as needed, if you need more room 5) Consider an electron transition in a hydrogen atom from n = 3 to n = 2, versus a transition from n = 2 to n = 1. Do not perform a calculation to answer the following questions. a. Which transition emits a higher energy photon? How can you tell? Put your typed answer here, by clicking on these words and typing! Resize the space as needed, if you need more room. b. One of these transitions corresponds to a photon in the visible part of the spectrum, while the other is not visible to the human eye due to the higher energy. i. Which transition emits the photon out of the visible range? Put your typed answer here, by clicking on these words and typing! Resize the space as needed, if you need more room. ii. Is it more likely in the UV-range, or the IR-range? Put your typed answer here, by clicking on these words and typing! Resize the space as needed, if you need more room.
1) This question explores the energy associated with an electron
transition from n = 5 to n = 2.
a) Make a rough sketch of the electron energy level diagram
for hydrogen. Make a horizontal line for each of the energy
levels corresponding to n = 1 through n = 6. (Notice part b
also has you add something else too!)
Place a picture of your drawing here, by pasting it in
as an image. It may help to email yourself a picture
first (no need for camscanner, an image is
acceptable). Delete these words when you do that!
b) In your energy level sketch, make a vertical arrow between
the levels that illustrates an electron transition from n = 5 to
n = 2. Questions below, c, d, and e refer to the same
transition.
Answer above on your diagram above
c) Find the energy change, in joules, for a single hydrogen
electron undergoing this transition.
Put your final answer
here with units!
d) Convert the energy change in part c to units of kilojoules per
mole of electrons.
Put your final answer
here with units!
e) Find the energy, frequency, and wavelength (in nm) of the
photon emitted from a single hydrogen atom whose electron
undergoes the relaxation. Label each result clearly.
Put your final for
ENERGY here with
units!
Put your final answer
for frequency here
with units!
Put your final answer
for wavelength here
with units!
Transcribed Image Text:1) This question explores the energy associated with an electron transition from n = 5 to n = 2. a) Make a rough sketch of the electron energy level diagram for hydrogen. Make a horizontal line for each of the energy levels corresponding to n = 1 through n = 6. (Notice part b also has you add something else too!) Place a picture of your drawing here, by pasting it in as an image. It may help to email yourself a picture first (no need for camscanner, an image is acceptable). Delete these words when you do that! b) In your energy level sketch, make a vertical arrow between the levels that illustrates an electron transition from n = 5 to n = 2. Questions below, c, d, and e refer to the same transition. Answer above on your diagram above c) Find the energy change, in joules, for a single hydrogen electron undergoing this transition. Put your final answer here with units! d) Convert the energy change in part c to units of kilojoules per mole of electrons. Put your final answer here with units! e) Find the energy, frequency, and wavelength (in nm) of the photon emitted from a single hydrogen atom whose electron undergoes the relaxation. Label each result clearly. Put your final for ENERGY here with units! Put your final answer for frequency here with units! Put your final answer for wavelength here with units!
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