Consider the energy levels for Hydrogen in the table below: (note the energy is relative to...
Consider the energy levels for Hydrogen in the table below: (note the energy is relative to the energy necessary for an electron to escape. So for Level n = 1 the electron would need to gain 13.6 electron volts to no longer be negative and thus able to escape the atom!)
| Level (n = ) | Energy (in eV) |
| 1 | -13.6 |
| 2 | -3.40 |
| 3 | -1.51 |
| 4 | -0.850 |
| 5 | -.544 |
| 6 | -.378 |
What would be the energy of a photon emitted when an electron drops from the n=3 to n=2 level in a Hydrogen atom.
E = ____________ eV
The equation for the energy of a photon is where is known as the Planck constant and is equal to eV s.
Since we know that for light we can rewrite the equation for the energy of a photon as
What then is the frequency of the photon from your answer above?
f = __ Hz
What region of the electromagnetic spectrum does this correspond to?
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Consider the energy levels for Hydrogen in the table below:
(note the energy is relative to...
Use the following diagram to answer the next question. Selected Energy Levels for Hydrogen NS -0.544...
Use the following diagram to answer the next question. Selected Energy Levels for Hydrogen NS -0.544 eV -0.8.50 V -1.51 eV 3 N=2 --3.40 V .-13.6 eV 6. A free electron that has a kinetic energy of 2.0 eV collides with an excited hydrogen atom in which the electron is in the = 2 energy level. As a result of this collision, the electron in the hydrogen atom is in energy level A n-2 B. =3 C. 1-4 D. R=5
Answers for questions 1-12 please The energy level diagram for a hydrogen atom is shown. The...
Answers for questions 1-12 please
The energy level diagram for a hydrogen atom is shown. The following 000 ev questions are about the energy levels of the hydrogen atom. An0544 ev -1.51 ev 0.850 ev electron jumps from the n 5 level to the n 1 level. 1. Will this result in an emission line, or an absorption line in then-3 n 4 spectrum of this atom? 2. Which excited state did the electron start at? n-2 3.40 ev 2....
What are the wavelengths of the visible light emitted by hydrogen atoms? Hydrogen Level Energy (eV)...
What are the wavelengths of the visible light emitted by hydrogen atoms? Hydrogen Level Energy (eV) lonization 0.00 -0.38 -0.54 -0.85 -1.51 n oo n 6 n 5 n 4 n 3 n 2 -3.40 Ground State n 1- -13.60 Energy Levels for the Hydrogen Atom
What are the wavelengths of the visible light emitted by hydrogen atoms? Hydrogen Level Energy (eV) lonization 0.00 -0.38 -0.54 -0.85 -1.51 n oo n 6 n 5 n 4 n 3 n 2...
A photon excites atomic hydrogen from its lowest level to the n 7 level. What is...
A photon excites atomic hydrogen from its lowest level to the n 7 level. What is the energy of the photon? A. 3.40 eV B. 12.8 ev C. 0.850 ev D. 13.3 ev E. 13.6 eV
33.8 Problems biting the atom drops from an energy level of Ei--10.64 eV to an energy...
33.8 Problems biting the atom drops from an energy level of Ei--10.64 eV to an energy level of 12.70 eV 33.1 A photon is emitted by an atom when one of the electrons or- (a) What is the energy of this photon (in eV)? (b) What is the energy of this photon (in D? (c) What is the frequency of this photon? (d) What is the wavelength of this photon? (e) What is the momentum of this photon? 33.2 The...
Calculate the energy of a photon required to excite a hydrogen atom from the n =...
Calculate the energy of a photon required to excite a hydrogen
atom from the n = 1 state to the n = 2 state.
10. [1pt] Calculate the energy of a photon required to excite a hydrogen atom from the - 1 state to the n - 2 state, Answer: Submit All Answers 11. [1pt] An electron in a hydrogen atom falls to an energy level n = 2. If the wavelength of the emitted electromagnetic radiation is 4.86x10m, what...
A hydrogen atom in a state having a binding energy (the energy required to remove an...
A hydrogen atom in a state having a binding energy (the energy required to remove an electron) of -0.850 eV makes a transition to a state with an excitation energy (the difference between the energy of the state and that of the ground state) of 12.089 eV. (a) What is the energy of the photon emitted as a result of the transition? What are the (b) higher quantum number and (c) lower quantum number of the transition producing this emission?...
4. When a hydrogen atom is bombarded, the atom may be raised into a higher energy state. As the excited electron f...
4. When a hydrogen atom is bombarded, the atom may be raised into a higher energy state. As the excited electron falls back to the lower energy levels, light is emitted. What are the three longest-wavelength spectral lines emitted by the hydrogen atom as it returns to the n = 1 state from higher energy states? Give your answers to three significant figures. The lowest possible state, n = 1, corresponds to the electron in its smallest possible orbit; it...
answer is not 122 or 97.2 Review Constants Let's use the Bohr model equations to explore...
answer is not 122 or 97.2
Review Constants Let's use the Bohr model equations to explore some properties of the hydrogen atom. We will determine the kinetic, potential, and total energies of the hydrogen atom in the n=2 state, and find the wavelength of the photon emitted in the transition n = 2 →n=1. En= 1 med 602 8nºh? -13.6 eV 722 These two equations are equal only if the coefficients of 1/n2 are equal: met =hcR= 13.6 eV 8€0h?...
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...
Use the following diagram to answer the next question. Selected Energy Levels for Hydrogen NS -0.544 eV -0.8.50 V -1.51 eV 3 N=2 --3.40 V .-13.6 eV 6. A free electron that has a kinetic energy of 2.0 eV collides with an excited hydrogen atom in which the electron is in the = 2 energy level. As a result of this collision, the electron in the hydrogen atom is in energy level A n-2 B. =3 C. 1-4 D. R=5
Answers for questions 1-12 please
The energy level diagram for a hydrogen atom is shown. The following 000 ev questions are about the energy levels of the hydrogen atom. An0544 ev -1.51 ev 0.850 ev electron jumps from the n 5 level to the n 1 level. 1. Will this result in an emission line, or an absorption line in then-3 n 4 spectrum of this atom? 2. Which excited state did the electron start at? n-2 3.40 ev 2....
What are the wavelengths of the visible light emitted by hydrogen atoms? Hydrogen Level Energy (eV) lonization 0.00 -0.38 -0.54 -0.85 -1.51 n oo n 6 n 5 n 4 n 3 n 2 -3.40 Ground State n 1- -13.60 Energy Levels for the Hydrogen Atom
What are the wavelengths of the visible light emitted by hydrogen atoms? Hydrogen Level Energy (eV) lonization 0.00 -0.38 -0.54 -0.85 -1.51 n oo n 6 n 5 n 4 n 3 n 2...
A photon excites atomic hydrogen from its lowest level to the n 7 level. What is the energy of the photon? A. 3.40 eV B. 12.8 ev C. 0.850 ev D. 13.3 ev E. 13.6 eV
33.8 Problems biting the atom drops from an energy level of Ei--10.64 eV to an energy level of 12.70 eV 33.1 A photon is emitted by an atom when one of the electrons or- (a) What is the energy of this photon (in eV)? (b) What is the energy of this photon (in D? (c) What is the frequency of this photon? (d) What is the wavelength of this photon? (e) What is the momentum of this photon? 33.2 The...
Calculate the energy of a photon required to excite a hydrogen
atom from the n = 1 state to the n = 2 state.
10. [1pt] Calculate the energy of a photon required to excite a hydrogen atom from the - 1 state to the n - 2 state, Answer: Submit All Answers 11. [1pt] An electron in a hydrogen atom falls to an energy level n = 2. If the wavelength of the emitted electromagnetic radiation is 4.86x10m, what...
4. When a hydrogen atom is bombarded, the atom may be raised into a higher energy state. As the excited electron falls back to the lower energy levels, light is emitted. What are the three longest-wavelength spectral lines emitted by the hydrogen atom as it returns to the n = 1 state from higher energy states? Give your answers to three significant figures. The lowest possible state, n = 1, corresponds to the electron in its smallest possible orbit; it...
answer is not 122 or 97.2
Review Constants Let's use the Bohr model equations to explore some properties of the hydrogen atom. We will determine the kinetic, potential, and total energies of the hydrogen atom in the n=2 state, and find the wavelength of the photon emitted in the transition n = 2 →n=1. En= 1 med 602 8nºh? -13.6 eV 722 These two equations are equal only if the coefficients of 1/n2 are equal: met =hcR= 13.6 eV 8€0h?...
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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