Homework Answers
Answer :-
The line 'A' corresponds to the photon with highest frequency and shortest wavelength. While the line 'D' corresponds to the photon with shortest frequency and longest wavelength.
The order of frequency of lines - A > B > C > D
So the first option is correct .
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The diagram represents energy transitions for an electron in an atom. Lines B and C correspond...
Help with part F nes n=4 E-0.85eV E--1.33eV 8 The energy level diagram at right shows...
Help with part F
nes n=4 E-0.85eV E--1.33eV 8 The energy level diagram at right shows the first five energy levels for an imaginary atom. A. What is the frequency of a photon that would excite the atom from the n=1 to n=4 state? n=3 E =-2.37eV n-2 Ex=-5.33eV E --21.3eV B. Now suppose that a stream of photons with the frequency you determined in part A collide with a collection of the imaginary atoms mentioned above. After an atom...
The following is a diagram of energy states and transitions in the hydrogen atom -n infinity...
The following is a diagram of energy states and transitions in the hydrogen atom -n infinity ENERGY Match each of the responses below with the correct arrow from the figure. 1.) The emission line with the longest wavelength. 2.) The absorption line with the shortest wavelength. 3.) The emission line with the lowest energy 4.) The absorption line with the highest energy 5.) The emission line with the lowest frequency. 6.) The line corresponding to the ionization energy of hydrogen.
A helium atom has two electrons, let us call them electron 1 and 2. Suppose electron...
A helium atom has two electrons, let us call them electron 1 and 2. Suppose electron 1 is in the ground state and electron 2 is in the first excited state. 1. Calculate the minimum energies (in eV) of photons needed to eject each electron out of the atom. [5 points) 2. Draw an energy level diagram for a helium atom and indicate the transitions in part 1. You do not need to calculate the energies of various energy levels....
1. How many lines would be in the emission spectrum of hydrogen if the hydrogen atom...
1. How many lines would be in the emission spectrum of hydrogen if the hydrogen atom had only 4 energy levels? 2. What was the initial energy level of an electron if it was excited by a photon of wavelength 0.656µm and jumped to an energy level of 3? 3 .Calculate the frequency of visible light emitted by electron drop from n=233000 in Balmer series of hydrogen atom.
Electron Transitions and Spectral Lines Conceptual Question The spectrum of a hypothetical atom is shown in...
Electron Transitions and Spectral Lines Conceptual Question The spectrum of a hypothetical atom is shown in the figure.(Figure 1) Three distinct spectral series are shown, with the center series corresponding to transitions to a final state of n_f = 3. The indicated spectral line corresponds to the transition from an initial state of n_i =5 to the final state n_i = 3. Which of the lettered spectral lines corresponds to the transition from n_i = 6 to n_f = 3?...
Selection rules and allowed transitions: Electron in a hydrogen atom is in 4p state
Selection rules and allowed transitions: Electron in a hydrogen atom is in 4p state. The energy level diagram is shown below. Note the energies are given to first decimal place only. (a) Draw arrows showing all the allowed transitions the 4p electron can make that lead to the emission of photon. Include all the transitions until the electron reaches the ground state. (b) What are the kinetic and potential energies of the electron in the 4p state? (c) Calculate the wavelengths (in nm)...
A certain type of atom (not hydrogen) has three energy levels numbered 1, 2, and 3,...
A certain type of atom
(not hydrogen) has three energy levels numbered 1, 2, and
3, as shown in the upper illustration. There are three possible
transitions between these levels that lead to emission of a photon:
3 ® 1, 3 ® 2, and 2 ® 1.
The lower illustration shows the emission spectrum from a gas of
these atoms. There are three emission lines, A, B, and C.
(a) Rank the photons emitted in the transitions 3 ®...
Hydrogen spectrum tube a. The light emitted in a hydrogen spectrum tube comes from isolated hydrogen...
Hydrogen spectrum tube a. The light emitted in a hydrogen spectrum tube comes from isolated hydrogen atoms excited by electricity. Is the spectrum of the light emitted by isolated atoms discrete or continuous? b. The spectrum of hydrogen is described by Rydberg's formula: , where R = 1.097 x 107m1 Based on Rydberg's formula, identify the electronic transitions (n + n) that correspond to each of the colored photons that you saw and their expected wavelengths. Compare them to the...
Consider a photoelectric effect experiment. Calculate the minimum photon energy needed to produce photoelectrons for the...
Consider a photoelectric effect experiment. Calculate the minimum photon energy needed to produce photoelectrons for the following metals: Sodium Aluminum Platinum For the photon energies you calculated in problem #1, calculate the wavelength and frequency for each. In what part of the electromagnetic spectrum do these photons belong? Calculate the radii and energies of the first three allowed orbits for the Bohr Model of the hydrogen atom in both joules and electron-volts. Show your work. Calculate the energies of photons...
- White light spectrum – a. How does the spectrum of white light differ from the spectrum...
- White light spectrum – a. How does the spectrum of white light differ from the spectrum of hydrogen, neon and sodium? b. What color corresponds to 5.7 x 10-7 meters? _____________________________ - Hydrogen Emission Spectrum – There are several lines with colors and 3 lines which are white. The white lines are in the infrared region and not visible. a. Which line in the visible spectrum has the longest wavelength and lowest energy? ______________________ b. Figure 6.1 in the lab manual represents the Balmer...
Help with part F
nes n=4 E-0.85eV E--1.33eV 8 The energy level diagram at right shows the first five energy levels for an imaginary atom. A. What is the frequency of a photon that would excite the atom from the n=1 to n=4 state? n=3 E =-2.37eV n-2 Ex=-5.33eV E --21.3eV B. Now suppose that a stream of photons with the frequency you determined in part A collide with a collection of the imaginary atoms mentioned above. After an atom...
The following is a diagram of energy states and transitions in the hydrogen atom -n infinity ENERGY Match each of the responses below with the correct arrow from the figure. 1.) The emission line with the longest wavelength. 2.) The absorption line with the shortest wavelength. 3.) The emission line with the lowest energy 4.) The absorption line with the highest energy 5.) The emission line with the lowest frequency. 6.) The line corresponding to the ionization energy of hydrogen.
A helium atom has two electrons, let us call them electron 1 and 2. Suppose electron 1 is in the ground state and electron 2 is in the first excited state. 1. Calculate the minimum energies (in eV) of photons needed to eject each electron out of the atom. [5 points) 2. Draw an energy level diagram for a helium atom and indicate the transitions in part 1. You do not need to calculate the energies of various energy levels....
Electron Transitions and Spectral Lines Conceptual Question The spectrum of a hypothetical atom is shown in the figure.(Figure 1) Three distinct spectral series are shown, with the center series corresponding to transitions to a final state of n_f = 3. The indicated spectral line corresponds to the transition from an initial state of n_i =5 to the final state n_i = 3. Which of the lettered spectral lines corresponds to the transition from n_i = 6 to n_f = 3?...
A certain type of atom
(not hydrogen) has three energy levels numbered 1, 2, and
3, as shown in the upper illustration. There are three possible
transitions between these levels that lead to emission of a photon:
3 ® 1, 3 ® 2, and 2 ® 1.
The lower illustration shows the emission spectrum from a gas of
these atoms. There are three emission lines, A, B, and C.
(a) Rank the photons emitted in the transitions 3 ®...
Hydrogen spectrum tube a. The light emitted in a hydrogen spectrum tube comes from isolated hydrogen atoms excited by electricity. Is the spectrum of the light emitted by isolated atoms discrete or continuous? b. The spectrum of hydrogen is described by Rydberg's formula: , where R = 1.097 x 107m1 Based on Rydberg's formula, identify the electronic transitions (n + n) that correspond to each of the colored photons that you saw and their expected wavelengths. Compare them to the...
Consider a photoelectric effect experiment. Calculate the minimum photon energy needed to produce photoelectrons for the following metals: Sodium Aluminum Platinum For the photon energies you calculated in problem #1, calculate the wavelength and frequency for each. In what part of the electromagnetic spectrum do these photons belong? Calculate the radii and energies of the first three allowed orbits for the Bohr Model of the hydrogen atom in both joules and electron-volts. Show your work. Calculate the energies of photons...
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