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Quantum Mechanics
Page 2
Questions (730)
find the number of electrons with the value of azimuthal quantum number L=1 for Cd+2
2 answers
asked by
anonymous _25
55 views
The ground state wavefunction for a particle in a shallow potential well in 1 dimension is of the form: Ae^(−|x|/2d). Given
3 answers
asked by
qwerty
699 views
Use Rydbuz equation to calculate the
wavelength of the third line in the paschen series of the hydrogen spectrum.give ur answer
5 answers
asked by
weyeremi
1,191 views
Question 1:
In the Balmer-Rydberg equation, what value of m is used to determine the wavelengths of the Balmer series? m=?
5 answers
asked by
Sophie
3,409 views
Which of the quantum numbers relates to the electron only? Which relate (s) to the orbital?
5 answers
asked by
shife
2,313 views
Assuming that the resolution of an electron microscope is equal to the deBroglie wavelength of the electrons used, what is the
4 answers
asked by
Joey
1,375 views
What is the velocity of an electron that has a de broglie wavelength approximately the length of a chemical bond? Assume this
4 answers
asked by
Nicole
6,216 views
what does this mean (we are on quantum)
The figure below represents part of the emission spectrum for a one-electron ion in the
4 answers
asked by
Robin
2,889 views
Which of the following sets of quantum numbers are allowed for an electron in a hydrogen atom?
a)n=3, l=0, ml=0 b)n=4,l=1,ml=-1
4 answers
asked by
Nick
5,372 views
An electron in a certain atom is in the n = 2 quantum level. List the possible
values of (cursive L). And for each value of
4 answers
asked by
John
3,177 views
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a
6 answers
asked by
Anonymous
24,867 views
I am so stuck on this problem:
λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg
5 answers
asked by
Sarah
3,478 views
What is the de Broglie wavelength of an oxygen molecule, O2 traveling at 521 m/s? Is the wavelength much smaller or much larger
14 answers
asked by
Lauren
4,445 views
Without calculating any frequeny values, select the highest frequency transition in the hydrogen atom.
1. From n= 4 to n= 6 2.
5 answers
asked by
Anonymous
8,007 views
According to the quantum-mechanical model for the hydrogen atom, which of the following transitions would produce light with
4 answers
asked by
Sue
12,826 views
Neutron diffraction is used in determining the structures of molecules.
(a) Calculate the de Broglie wavelength of a neutron
4 answers
asked by
Rita
2,284 views
An electron in a hydrogen atom relaxes to the n= 4 level, emitting light of 138 THz.
What is the value of n for the level in
4 answers
asked by
lorah hilpolep
2,471 views
An electron moves with a velocity of 2.5 x 10^8 cm/s. What is its wavelength? (The mass of an electron is 9.109 x 10^-28 g.)
5 answers
asked by
Anonymous
4,732 views
1. What quantum numbers specify these subshells?
5s: n=? l=? 5p: n=? l=? 3d: n=? l=?
4 answers
asked by
Shira
5,409 views
Which of the following sets of quantum numbers are not allowed. For each incorrect set, state why it is incorrect. For each
4 answers
asked by
lo
2,789 views
What? If anything, is wrong with the following sets of quantum numbers.
a. n = 2, l = 2, ml = 0, ms = +1/2 b. n = 0, l = 0, ml =
5 answers
asked by
Kelly
4,035 views
The electron in the n = 5 level of a hydrogen atom emits a photon with a wavelength of 1280 nm. To what energy level does the
7 answers
asked by
Dave
3,138 views
What is the azimuthal quantum number (also called the angular-momentum quantum number), ℓ, for the orbital shown here?
(the
4 answers
asked by
Anonymous
8,314 views
How can the atomic orbital be described in the quantum mechanical wave model of the orbitals?
A. A collection of balloons B. A
7 answers
asked by
Morgan
1,615 views
1. The quantum number ml can have values from:
0 to 1. 2. The total number of orbitals possible at the l = 0 sublevel is: 1 Am I
4 answers
asked by
Kylee
3,443 views
Which of the following set of quantum numbers (ordered n, ℓ, mℓ, ms) are possible for an electron in an atom?
Check all that
4 answers
asked by
katie
11,242 views
Supply the missing quantum number or sub level name.
n. l. ml. name (a). ? ? 0. 4p (b). 2. 1. 0. ? (c). 3. 2. -2. ? (d). ? ? ? 2s
5 answers
asked by
MR TRUMP★★★
2,021 views
A 0.22-caliber handgun fires a 27-g bullet at a velocity of 765 m/s. Calculate the de Broglie wavelength of the bullet. Is the
4 answers
asked by
danielle
3,332 views
The energy levels the electron can occupy in the Be3+ ion can be calculated using the energy level equation. A Be3+ ion with an
4 answers
asked by
mike
3,116 views
List the sets of quantum numbers which describe all of the electrons possible in a 6p wave function (orbital):
I'm really having
5 answers
asked by
Nicole
1,002 views
Calculate the level from which the electron fell, n2, for the hydrogen line you observed.
wavelength (lambda) = 400 nm n1 = 2 RH
6 answers
asked by
Priscilla
3,015 views
Calculate the magnitude 𝐿 of the orbital angular momentum, in multiples of ℏ, of an electron in the atomic orbital 3𝑑.
4 answers
asked by
monica
452 views
A ground state hydrogen atom absorbs a photon of light having a wavelength of 94.96 nm. It then gives off a photon having a
6 answers
asked by
Ashley
1,324 views
Check the normalization of 𝛹0 and 𝛹4 for the harmonic oscillator and show they are orthogonal
3 answers
asked by
Mark Louie
142 views
List all the quantum numbers for each of the 9 electrons in fluorine
n L m sub L m sub s 1. 2. 3. 4. 5. 6. 7. 8. 9.
7 answers
asked by
Anonymous
2,807 views
What is the de Broglie wavelength in nm of a buckyball, (molecular formula C60), moving at speed 250 m/s?
I don't understand how
4 answers
asked by
Liana
1,304 views
What wavelength photon would be required to ionize a hydrogen atom in the ground state and give the ejected electron a kinetic
4 answers
asked by
Samantha Farha
5,447 views
Find the de broglie wavelength of a 1500-kg car when its speed is 80 km/h. How significant are the wave properties of this car
4 answers
asked by
Noah
1,138 views
An excited hydrogen atom emits light with a frequency of 1.141x10^14 Hz to reach the energy level for which n=4. In what
4 answers
asked by
danielle
2,589 views
An electron in a hydrogen atom relaxes to the n = 4 level, emitting light of 114 THz. What is the value of n for the level in
3 answers
asked by
Confused
2,957 views
What 4 quantum numbers describes one of the outermost electrons in a strontium atom in ground state?
5,0,0,1/2 Is my answer
4 answers
asked by
Lena
4,893 views
When an electron makes a transition from the n=3 to the n=2 hydrogen
atom bohr orbit, the energy difference between these two
4 answers
asked by
Wyatt
3,335 views
What is the energy of a photon that has the same wavelength as a 12-eV electron? (h = 6.63 × 10-34 J×s)
4 answers
asked by
cal
1,946 views
List all the quantum number values for an orbital in the 5f subshell?
4 answers
asked by
getj
2,034 views
Quantization is
Interaction of electromagnetic radiation and matter at discrete energy levels The ion separator in a mass
3 answers
asked by
Ann
688 views
Consider an atom traveling at 1% of the speed of light. The de Broglie wavelength is found to be 9.50 × 10–3 pm. Which
4 answers
asked by
Anonymous
1,573 views
True or False.
1)Electrons give off light as they drop to lower energy levels. 2)Electrons travel around the nucleus as waves.
5 answers
asked by
Jennie
1,917 views
Quantum numbers arise naturally from the mathematics used to describe the possible states of an electron in an atom. The four
4 answers
asked by
Ode
2,295 views
A Photon of energy 240 KeV is scattered by a free electron. If the recoil electron has a Kinetic energy of 190 KeV, what is the
4 answers
asked by
priyanka
1,167 views
Which of the following is a legitimate set of n, l, m(l), and m(s) quantum numbers?
a. 4, -2, -1, 1/2 b. 4, 2, 3, 1/2 c. 4, 3, 0,
4 answers
asked by
Anonymous
2,873 views
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