| Sections | |||
|---|---|---|---|
| Wavelength and Frequency | 18 mins | 0 completed | Learn |
| Diffraction vs Refraction | 5 mins | 0 completed | Learn |
| The Particle Nature of Light | 10 mins | 0 completed | Learn |
| Photoelectric Effect | 4 mins | 0 completed | Learn Summary |
| De Broglie Wavelength | 8 mins | 0 completed | Learn |
| Heisenberg Uncertainty Principle | 10 mins | 0 completed | Learn |
| Bohr Model | 23 mins | 0 completed | Learn |
| Introduction to Quantum Mechanics | 28 mins | 0 completed | Learn Summary |
| End of Chapter 7 Problems | 49 mins | 0 completed | Learn |
| Additional Practice |
|---|
| Electromagnetic Spectrum |
| Bohr and Balmer Equations |
| Wave Function |
| Dimensional Boxes |
Solution: With reference to the figure below, are the allowed energy states in the Bohr model for the
H atom more like steps or more like a ramp?
Problem
With reference to the figure below, are the allowed energy states in the Bohr model for the H atom more like steps or more like a ramp?
Practice Problems
When an electron of an excited hydrogen atom falls...
How much energy is emitted in kJ/mol when an elect...
For a hydrogen atom, calculate the energy (in kJ)...
Atoms with one electron can be modeled with an equ...
What is the energy of the light emitted from a hyd...
How much energy is emitted in kJ/mol when an elect...
Calculate the frequency of the light emitted by a ...
The electron in the n = 5 level of a hydrogen ato...
A hydrogen atom initially in the n - 6 state emits...
The Rydberg equation is an empirical equation that...
A hydrogen atom absorbs a photon with a wavelength...
What is the frequency in Hz of the photon released...
An electron in a hydrogen atom moves from the n = ...
It is possible to determine the ionization energy ...
Calculate the wavelength of
light produced if an e...
An electron in the n = 7 level of the hydrogen ato...
An atomic emission spectrum of hydrogen shows the ...
An atomic emission spectrum of hydrogen shows the ...
An atomic emission spectrum of hydrogen shows the ...
Calculate the wavelength of the radiation released...
With reference to the figure below, are the allowe...
As the energy level of an orbit becomes more negat...
For an He+ ion, do the 2s and 2p orbitals have the...
If you put 120 volts of electricity through a pick...
Using equation E= (hcRH)(1n2) = (-2.1810-18J)(1n2)...
Using equation E= (hcRH)(1n2) = (-2.1810-18J)(1n2)...
How much energy does the electron have initially i...
For each of the following electronic transitions i...
For each of the following electronic transitions i...
What wavelength of light will be required to remov...
What is the wavelength of the light emitted from a...
An electron in the n=7 level of the hydrogen atom ...
One of the emission lines of the hydrogen atom has...
Calculate the wavelength of light associated with ...
An excited hydrogen atom emits a photon with a fre...
Calculate the energy of a photon emitted when an e...
Using Bohr's equation for the energy levels of the...
Calculate the energy, in joules, required to excit...
The n = 2 to n = 10 transition in the Bohr hydroge...
Solving the Rydberg equation for energy change giv...
What wavelength of light (in nm) if absorbed by a ...
An electron in a hydrogen atom relaxes to the n = ...
The second line of the Balmer series occurs at wav...
Consider a hydrogen atom in the ground state. What...
Consider a hydrogen atom in the ground state. What...
A red laser pointer emits light with a wavelength ...
An excited hydrogen atom emits light with a wavele...
Suppose energy is delivered to atoms of fluorine, ...
A hydrogen atom emits light in an electronic trans...
Calculate the wavelength of light emitted when an ...
An electron in the n = 6 level of the hydrogen ato...
What is the significance of the minus sign in fron...
Calculate the frequency of the light emitted when ...
In the top part of image below, the four lines in ...
Calculate the frequency of the light emitted when ...
Calculate the frequency of the light emitted when ...
Calculate the frequency of the light emitted when ...
An electron in a hydrogen atom relaxes to the n =4...
A ground-state H atom absorbs a photon of waveleng...
A ground-state H atom absorbs a photon of waveleng...
A ground-state H atom absorbs a photon of waveleng...
Before quantum mechanics was developed, Johannes R...
One of the visible lines in the hydrogen emission ...
You may want to reference (Pages 219 - 224) Sectio...
You may want to reference (Pages 219 - 224) Sectio...
You may want to reference (Pages 219 - 224) Sectio...
Atomic hydrogen produces several series of spectra...
Atomic hydrogen produces several series of spectra...
Use the Rydberg equation to find the wavelength (i...
Use the Rydberg equation to find the wavelength (i...
Calculate the wavelength of light emitted when the...
Calculate the wavelength of light emitted when the...
The electron in a ground-state H atom absorbs a ph...
Calculate the wavelength of the light emitted when...
Calculate the wavelength of light emitted when the...
An electron in the n = 5 level of an H atom emits ...
Consider a large number of hydrogen atoms with ele...
Calculate the wavelength of the light emitted when...
Calculate the wavelength of the light emitted when...
Calculate the wavelength of the light emitted when...
Calculate the wavelength of the light emitted when...
Calculate the wavelength of light emitted when the...
Calculate the wavelength of light emitted when the...
Calculate the wavelength of light emitted when the...
Consider a large number of hydrogen atoms with ele...
Calculate the longest and shortest wavelengths of ...
Calculate, to four significant figures, the longes...
Determine the wavelength of the light absorbed whe...
Consider an electron for a hydrogen atom in an exc...
An excited hydrogen atom with an electron in the ...
Calculate the wavelength of the radiation released...
The laser pointer emits light because electrons in...
A metal ion M n+ has a single electron. The highes...
X-ray diffractometers often use metals that have h...
What is the energy (in J) of an H atom with an ele...
What is the energy of an Li 2+ ion with its elect...
Photoelectron spectroscopy applies the principle o...
You may want to reference (Pages 219 - 224) Sectio...
Using the Bohr model, determine the energy, in jou...
The electron volt (eV) is a convenient unit of ene...
Using the Bohr model, determine the lowest possibl...
Using the Bohr model, determine the lowest possibl...
Using the Bohr model, determine the energy of an e...
Using the Bohr model, determine the energy of an e...
Calculate the energy difference (ΔE) for the trans...
Using the Bohr model, determine the energy in joul...
Calculate the energy difference (ΔE) when an elect...
Using the Bohr model, determine the energy in joul...
Consider a large number of hydrogen atoms with ele...
Does a photon of visible light (λ ≈ 400 to 700 nm)...
The energy of a vibrating molecule is quantized mu...
The energy of a vibrating molecule is quantized mu...
An electron in a hydrogen atom relaxes to the n = ...An excited hydrogen atom emits light with a freque...What are the wavelengths, in nanometers, of the br...Enter your answer in the provided box.Recall Planc...Calculate the energy released when an electron fal...Calculate the wavelength (in nm) of a photon (emit...What is the wavelength of the photons emitted by h...Calculate the energy released when an electron fal...Calculate the wavelength of light produced if an e...An electron in the n = 5 level of an H atom emits ...
Determine the energy change associated with the tr...
How much energy does the electron have initially i...What is the energy (in kJ) of one photon of the el...Consider an element that reaches its first excited...
How much energy is required to ionize hydrogen: a....