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Quantum Mechanics
Page 8
Questions (730)
QUESTION 1: Calculate the maximum increase in photon wavelength that can occur during Compton scattering.
= ??? pm QUESTION 2:
5 answers
asked by
Christina
1,306 views
When an electron is displaced in a semiconductor, the hole that's left behind is
1 answer
asked by
Felishia butler
337 views
According to Bohr, an electron in an excited state could give off .....
a continuous cascade of photons for a high-level
3 answers
asked by
Molly
506 views
In the quantum mechanical picture of the hydrogen atom, the orbital angular momentum of the electron may be zero in any of the
2 answers
asked by
Mary
514 views
STATE THE HEISENBERG UNCERTAINTY PRINCIPLE AS IT RELATED TO THE DETERMINING THE POSITION AND MOMENTUM OF AN OBJECT.
1 answer
asked by
KELLY
396 views
I am having a hard time on how to get V in wavelength= h/mv
If I multiply by mv then I get W(mv)=h Then I get Wmv=h I divide by
3 answers
asked by
Tammy
485 views
hi
can you please help me with this particular question? thanks a lot ___________________________________ The work function of a
2 answers
asked by
duda
543 views
I need help on these 3 questions.
1. The probability that an electron will return to a lower energy level by emitting a photon is
1 answer
asked by
Anonymous
645 views
Why does a hydrogen atom, which has only one electron, have so many spectral lines? Any help gratefully received.
There are many
1 answer
asked by
Mac
663 views
In the ground state of element 115, how many electrons have ml=1 as one of their quantum numbers?
Can anyone provide an
1 answer
asked by
Rossi
1,090 views
Thank you!!
1 answer
asked by
SSSSSSSSSSSSSS
15 views
determine the end value of n in a hydrogen atom transition if the electron starts in n=2 and the atom absorbs a photon of light
4 answers
asked by
will
3,639 views
For each electron in a ground-state Be atom, select the set of quantum numbers that represents it. Check all that apply.
( ) n=2,
5 answers
asked by
Garcia
3,572 views
Calculate the maximum wavelength of light capable of removing an electron for a hydrogen atom from the energy state of n=4 if it
3 answers
asked by
Maxx
3,363 views
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 4 state to
4 answers
asked by
Tanisha
2,769 views
An electron transitions from n = 5 to n = 3 in a hydrogen atom. What is the energy required for this transition? Is energy
4 answers
asked by
JD
2,659 views
Which of the following quantum numbers describes the shape of an orbital?
A) principle quantum number (n) B) magnetic quantum
4 answers
asked by
Teresa
2,639 views
What is the velocity of an electron that has a de Broglie wavelength approximately the length of a chemical bond? Assume this
3 answers
asked by
Anonymous
2,463 views
The difference in energy between allowed oscillator states in HBr molecules is 0.330 eV. What is the oscillation frequency of
3 answers
asked by
Austin
2,104 views
Which of the following is an example of quantization?
A. The amount of time spent in a classroom B. The number of students in a
4 answers
asked by
Morgan
2,083 views
An electron has an uncertainty in its position of 611pm. What is the uncertainty in its velocity?
5 answers
asked by
Anonymous
1,846 views
According to the Heisenberg uncertainty principle, if the uncertainty in the speed of an electron is 3.5 x 10(3) m/s, the
3 answers
asked by
lavonne
1,833 views
determine the velocity and kinetic energy of neutrons having de broglie wave length 1 angstrom
4 answers
asked by
niharika
1,718 views
calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n=7 to n=1. Is it just
4 answers
asked by
Katie
1,766 views
How many electrons in an atom could have these sets of quantum numbers?
n=2 n=5, l=3 n=6, l=1, ml=-1
3 answers
asked by
Jen
1,676 views
What type of orbital is designated by the quantum numbers n=3, l=1, and magnetic number=0 ?
1f 3s 3p 4p give an explanation for
3 answers
asked by
Meg
1,607 views
What is the wavelength (in nm) of the line in the spectrum of the hydrogen atom that arises from the transition of the electron
4 answers
asked by
Anonymous
1,578 views
Suppose you live in a different universe where different amount of quantum numbers is required to describe the atomic orbitals.
3 answers
asked by
Jordan
1,549 views
Calculate the frequency of the light emitted when an electron in a hydrogen atom makes each of the following transitions.
n=5 to
3 answers
asked by
nicole
1,509 views
Consider this set of quantum numbers: n = 3, l = 2, ml = -1, ms = +½
The maximum number of electrons in an atom which can share
4 answers
asked by
jeff
1,493 views
Calculate the frequency of the light emitted by a hydrogen atom during a transition of its electron from the n=3 to n=1 energy
2 answers
asked by
lavonne
1,468 views
A hydrogen atom initially in its ground state (n = 1) absorbs a photon and ends up in the state for which n = 3.
What is the
3 answers
asked by
Joe
1,448 views
the law superposition
1 answer
asked anonymously
6 views
calculate the wavelength of an electron m=9.11 x 10^-28 g moving at 3.66x10^6 m/s
3 answers
asked by
trinh lowery
1,400 views
What is the probability density at the fifth carbon atom if the electron is in the n=2 energy level?
I have the formula as
3 answers
asked by
Student
1,321 views
Using Planck's constant as h=6.63 E-34 J*s, what is the wavelength of a proton with a speed of 5.00 E6 m/s? The mass of the
2 answers
asked by
Hannah
1,336 views
how many electrons can n=4 l=1 have?
2 answers
asked by
Alex
1,296 views
A particle has a velocity that is 92% of the speed of light. If the wavelength of the particle is 1.55×10-15 m, calculate the
2 answers
asked by
Anonymous
1,225 views
A tungsten target is struck by electrons that have been accelerated from rest through a 24.5-kV potential difference. Find the
4 answers
asked by
andrej
1,258 views
What must be the velocity of a beam of electron if they are to display a de broglie wavelength of 1A°?
2 answers
asked by
shreya
1,241 views
A beam of electrons with momentum p=10^-23 kg m/s passed through a narrow slit of width d=10^-5 m. What is the uncertainty
2 answers
asked by
Hil
1,221 views
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n=5 to n=1 in J.
2 answers
asked by
ariel
1,217 views
The principal quantum number (n):
1) specifies the subshell of the orbital. 2) specifies the principal shell of the orbital. 3)
2 answers
asked by
Beth
1,206 views
Calculate the uncertainty in the position (in A) of an electron moving at a speed of (6.5 +/- 0.1)* 10^5m/s. The mass of an
3 answers
asked by
Brittney
1,191 views
An electron in the c level of a mercury atom returns to the ground state. Which photon energy could not be emitted by the atom
2 answers
asked by
Shannon
1,167 views
How fast must a 138 g baseball travel in order to have a de Broglie wavelength that is equal to that of an x-ray photon with A =
1 answer
asked by
Chris
1,152 views
The electron in a hydrogen atom with an energy of -0.544 eV is in a subshell with 18 states.
What is the principal quantum
2 answers
asked by
jazz
1,174 views
According to the quantum-mechanical model for the hydrogen atom, which of the following electron transitions would produce light
2 answers
asked by
Jimmy
1,135 views
Give the sublevel notation for each of the following sets of quantum number?
A.n=3, l=2 B.n=4, l=1 C.n=2, l=0
2 answers
asked by
masre
1,113 views
Find the quantum value of a 5py orbital. I know the quantum numbers (n,l,m,s) and all that, but I'm not sure where to begin or
1 answer
asked by
John
1,132 views
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