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Atomic Physics
Page 2
Questions (316)
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha
3 answers
asked by
Sonam
1,838 views
What did Millikan discover about the electron?
2 answers
asked by
Lisa
1,182 views
the electron in a ground state h atom absorbs a photon of wavelength 102.57nm to what energy level does the electron move
3 answers
asked by
gega
1,053 views
polonium(212) alpha particle have kinetic energy of 8.776 MeV. assuming the mass of the alpha particle to be 6.67*10^-27 kg,
4 answers
asked by
sumra
1,061 views
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.77 nm. It then gives off a photon having a
3 answers
asked by
marie
1,629 views
(a)how much energy in KJ/mol is released when an electron makes a transition from n=5 to n=2 in a hydrogen atom?
3 answers
asked by
hardi
826 views
An electron in the n=5 level of an H atom emit a photon of wavelength 1281nm. To what energy level does the electron move?
3 answers
asked by
Yeneta
1,718 views
Copper has density of 8.94 and crystallizes with the face-centered cubic unit cell. Calculate the radius of a copper atom.
4 answers
asked by
amy
1,979 views
suppose a particular atom has only two allowable electron orbits. how many different wavelength photons (spectral lines) would
4 answers
asked by
rista
2,110 views
The hydrogen emission spectrum has four series (or sets) of lines named Balmer, Brackett, Paschen, and Lyman. Indicate the
3 answers
asked by
tea
843 views
An atom is normally electrically neutral .Why then should an alpha particle be deflected by the atom under any circumstances?
4 answers
asked by
aman
1,644 views
The energy of the nth excited state of a hydrogen atom is proportional to 100 - (100/n2).
1) Using this formula, calculate the
3 answers
asked by
CGUFF
822 views
5)a. Electrons accelerated by a potential difference of 12.23 V pass through a gas of hydrogen atoms at room temperature.
5 answers
asked by
Sandhya
759 views
What is the binding energy in eV of electrons in magnesium, if the longest-wavelength photon that can eject electrons is 337 nm?
3 answers
asked by
Among us
536 views
A portion of the high-resolution emission spectrum of a one-electron atomic species is shown below. The highest energy series is
3 answers
asked by
caity
358 views
What is the most accurate description of an electron’s motion?
It does not have a patterned movement that can be described in
4 answers
asked by
Quinn
976 views
An excited atom emits a photon of a certain
frequency. Then two photons of this frequency fly towards the atom. Which of the
1 answer
asked by
Lyndsay
491 views
An alpha particle(charge +2e) is sent at a speed towards a gold nucleus( +79e ).
1) what is the electric force acting on the
3 answers
asked by
Happiness delight
2,253 views
what is the lowest frequency photon that can ionize a hydrogen atom with excited state electron configuration 3s1
3 answers
asked by
Joshua
2,171 views
A proton is fired from far away toward the nucleus of a mercury atom. Mercury is element number 80, and the diameter of the
4 answers
asked by
Anonymous
1,692 views
the atomic spectrum of lithium has a strong red line at 670.8 nm. what is the energy of each photon of this wave length? What is
3 answers
asked by
Cali
739 views
Consider a sample of excited atoms that lie 3.211 × 10–19 J above the ground state. Determine the emission wavelength (in
2 answers
asked by
Anisha
534 views
How much energy in joules is required to change the energy state of the H-atom electron from n=2 to n=3? from n=2 to n=4? from
3 answers
asked by
Anonymous
524 views
A large number of hydrogen atoms have electrons excited to the nh=4.How many possible spectral lines can appear in the emission
4 answers
asked by
BOIKETLO
993 views
how many of its photons are required to ionize atomic hydrogen? Einstein quote for Lenard’s measurement of the “largest
3 answers
asked by
nnn
609 views
a) According to the Rydberg equation, the line with the shortest wavelength in the emission spectrum of atomic hydrogen is
3 answers
asked by
Christian
2,949 views
What is the maximum value of the wavelength of light that will ionize the hydrogen atom? Express your answer in units of
3 answers
asked by
qwerty
1,440 views
Consider an electron in the ground state of hydrogen.
(a)What is the least amount of energy needed to excite the ground state
4 answers
asked by
schoolgirl
469 views
calculate the wavelength in nm of the spectral line produced when an electron in an hydrogen atom undergoes the transition from
3 answers
asked by
Jana
1,761 views
The Bohr model of the hydrogen atom consists of an electron travelling in a circular orbit of radius 5.29 x 10-11 m around a
3 answers
asked by
matin
910 views
what is the binding energy of an electron in a photosensitive metal (in kj/mol) if the minimum frequency of light that can eject
3 answers
asked by
jj
1,900 views
The hydrogen atomic emission spectrum includes a UV line with a wavelength of 92.3 nm.
Is this line associated with a transition
2 answers
asked by
Anonymous
996 views
What is the frequency of the photons emitted by the hydrogen atoms when they undergo transitions from n=5 to n=3?
In which region
3 answers
asked by
Anonymous
2,968 views
What is the speed of an argon atom that has a de Broglie wavelength of 5.2 pm?
3 answers
asked by
Chris
1,090 views
What is the wavelength of the emitted photon, when the electron in the hydrogen atom makes a transition from the ni = 5 state to
4 answers
asked by
Katie
799 views
A proton and an electron in a hydrogen atom are separated by a distance of 5.3 x 10-11 m. The magnitude and direction of
3 answers
asked by
ashley --- HELP PLEASEE!!!
1,034 views
A free electron is captured by a proton forming a Hydrogen atom. If the electron ends up in the ground state then what is the
3 answers
asked by
H
666 views
An excited atom decays to its ground state and emits a green photon. If the atom decayed to an intermediate state instead, the
4 answers
asked by
Molly
2,168 views
In the Bohr model of the hydrogen atom,
the speed of the electron is approximately 2.41 × 10^6 m/s. Find the central force
2 answers
asked by
Amanda
1,139 views
Paano mag compute ng electron?
2 answers
asked anonymously
28 views
The mass of the atom is determined by
3 answers
asked by
Nathaniel Benson
36 views
Anyone have Nuclear Decay Portfolio Answers?
1 answer
asked by
ariana
350 views
The energy-separation curve for two atoms, a distance, r, apart is: U(r)=−Arm+Brn
1) Derive an expression for the equilibrium
2 answers
asked by
Mickie
779 views
Identify the limits of the generality of the
expressions qR � kT/�hB, qV � kT/h�, and qE � gE, where gE is the degeneracy of the
1 answer
asked by
vigneshwaran.G
384 views
Why is the movement of the atoms in the chain the same when multiples of 2pi/a are added to, or subtracted from, the wave
1 answer
asked by
curiousmind
303 views
1. Calculate the transition ratio between the 2P-1S and 3P-2S states of the hydrogen.
2. Find the first order correction in the
1 answer
asked by
Carol
384 views
1. Calculate the transition ratio between the 2P-1S and 3P-2S states of the hydrogen.
2. Find the first order correction in the
1 answer
asked by
Carol
407 views
What was the significance of the alpha -particle scattering experiment?
1 answer
asked by
Abdul
410 views
Problem:
What wavelength photon would be required to ionize a hydrogen atom in the ground state and give the ejected electron a
3 answers
asked by
Dom
626 views
A stationary proton absorbs an x-ray with a wavelength of 0.24 nm. Determine the proton's final velocity.
2 answers
asked by
Mark
514 views
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Parent Categories (7)
Electromagnetism
Optics
Particle Physics
Physics
Quantum Mechanics
Quantum Physics
Science and Technology