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Atomic Physics
Page 6
Questions (316)
In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is
2 answers
asked by
suhani
519 views
An alpha particle(the nucleus of a helium atom) has a mass of 6.64*10^-27kg and a charge of +2e. What are the magnitude and
2 answers
asked by
Tolar
523 views
An alpha-particle collides with an oxygen nucleus which is initially at rest. The alpha-particle is scattered at an angle of
2 answers
asked by
PHysics
507 views
The atoms in gas ( gas constant R=8.31 J/mol K) can be treated as classical particles if their de Broglie wavelength L is much
2 answers
asked by
Bun
521 views
Hydrogen exhibits several series of line spectra in different spectral regions. For example the Lyman series (nf = 1 in
2 answers
asked by
Andy
536 views
In the Bohr model of the hydrogen atom,
the speed of the electron is approximately 1.97 × 106 m/s. Find the central force acting
1 answer
asked by
go
538 views
Calculate the frequency of light associated with the emission from n=5 to n=4 in the hydrogen atom.
I got -7.41 x10^13 Hz, but
2 answers
asked by
Sanaya
491 views
A photon interacts with a ground state electron in a hydrogen atom and is absorbed. The electron is ejected from the atom and
17 answers
asked by
kaken
531 views
Discuss in detail, one way in which atomic nuclear decay takes place. What is the significance of atomic nuclear decay? Analyze
2 answers
asked by
Jessica
503 views
A ^9 Be nucleus containing four protons and five neutrons has a mass of 1.50×10−26 kg and is traveling vertically upward at
1 answer
asked by
Becky
496 views
An atom emits a photon of wavelength 1.08 meters. What is the energy change occurring in the atom due to this emission?
2 answers
asked by
ali
506 views
The energy of transition of an electron from 5th to the 3rd Bohr orbit of a hydrogen atom
2 answers
asked by
Olushola
528 views
Atomic physicits ignore the effect of gravity within an atom. To see why, calculate and compare the gravitational and electrical
1 answer
asked by
Kayla
491 views
In an alternate universe, electron energies in an atom are found to obey the
following equation where n is the principle quantum
1 answer
asked by
Nora
488 views
Determine the minimum potential that must be applied to a proton so that, on interaction with a hydrogen atom, it can excite the
2 answers
asked by
ss01
481 views
Hydrogen-like ions are those with only one electron such as He+ and Li2+. The Balmer formula for the transitions in these ions
2 answers
asked by
Maria
479 views
In the Bohr model of the hydrogen atom,
the speed of the electron is approximately 1.97 × 106 m/s. Find the central force acting
1 answer
asked by
go
503 views
The binding energy of helium 4 He is
2 [atomic mass of proton = 1.00783U, atomic mass of neutron = 1.00867U] how do you calculate
1 answer
asked by
POPPY
502 views
why is the spectrum of hydrogen composed of discrete lines?
2 answers
asked by
sara
464 views
Calculate the energy required for ionization of electron from the ground state of hydrogen atom
2 answers
asked by
donald
497 views
which of the following is consistent with the line spectrum of the hydrogen atom?
one of the choices is the nucleus is udnergoing
2 answers
asked by
sara
461 views
The radius of circular electron orbits in the Bohr model of the hydrogen atom are given by (5.29 ✕ 10−11 m)n2, where n is
1 answer
asked by
joy
480 views
I am still having problems this question
2. Review Examples 7.3 and 7.4, as well as the equation for E in the chapter notes.
1 answer
asked by
Feather
459 views
Electron exhibiting a particle wavelength of 4.02 x 10-9 are emitted from hydrogen atoms after interaction with high energy
4 answers
asked by
ss01
474 views
An electron in Li2+ falls from n = 2 to the ground state. Calculate the wavenumber, (νˉ), of the emitted photon.
1 answer
asked by
Anonymous
465 views
When table salt is put in a candle flame, it burns bright yellow because of emission from the sodium atoms. This emission is at
1 answer
asked by
Kimia
455 views
How much energy is required to ionize hydrogen when it is in the state with
n = 6? (answer in eV)
1 answer
asked by
Eduardo
460 views
Orders of magnitude 4: Assume again a Rubidium atom (mass m=87⋅u) is initially at rest. Again it then absorbs a photon of
1 answer
asked by
Abd
473 views
Does anybody know how I can find the mass of the electron for this question. I need to find it first to solve for the real one
4 answers
asked by
joy
477 views
Using the Bohr model of hydrogen, find the linear momentum, when n=3.
1 answer
asked by
Cerra
444 views
Consider a sample of excited atoms that lie 3.211 × 10–19 J above the ground state. Determine the emission wavelength (in
1 answer
asked by
Bibi
449 views
The first line of the Balmer series in Hydrogen atom corresponds to the n=3 to n=2 transition, this line is known as H-alpha
1 answer
asked by
Akshay
468 views
The red line in the Helium spectrum is longer than the red line in the hydrogen
spectrum. What does that tell us about the
1 answer
asked by
help
481 views
electromagnetic radiation of which frequency (in Hz) can be emitted by the hydrogen atom upon transition of an electron from n=
1 answer
asked by
Winston
464 views
A photon interacts with a ground state electron in a hydrogen atom and is absorbed. The electron is ejected from the atom and
6 answers
asked by
Ling
468 views
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.31 × 106 m/s.Find the central force acting
1 answer
asked by
CR
465 views
Excited lithium atoms emit radiation at 670.8nm.
a. calculate the frequency of this radiation. b. calculate the energy (in eV) of
1 answer
asked by
Maria
457 views
In the Bohr model of the hydrogen atom, the electron makes 6.00×10^15 rev/sec around the nucleus.What is the average current at
1 answer
asked by
Mattie
463 views
Which of the following is correct for the energy levels in an atomic system?
Choose one answer. a. The energy value increases
1 answer
asked by
ashley --- HELP PLEASEE!!!
450 views
Explain what ideas led Bohr to suggest a new atomic model; and state Bohr postulates. Explain also, in words, what the
1 answer
asked by
qwer
476 views
How do I calculate the wavelength of the emission line when electrons drop from the 4th to the 3rd energy level in the hydrogen
1 answer
asked by
Lis
449 views
What is the final energy level of an electron that absorbs energy of 656nm if the electron started at the n=2 level of the
4 answers
asked by
Toni Jones
440 views
Scientists made the following two observations about emission spectra:
Each element has a unique emission spectrum. Atoms emit
1 answer
asked anonymously
43 views
2) Select True or False. If False, select the statement that makes it True.
Electrons can reside between energy levels. False;
1 answer
asked anonymously
36 views
neutron in a reactor makes an elastic head-on collision with the nucleus of an atom initially at rest.
Assume: The mass of the
1 answer
asked anonymously
25 views
The minimum amount of unstable atoms needed to produce an uncontrolled chain reaction is called _____.
atomic mass mass number
1 answer
asked anonymously
21 views
The Bohr radius of a hydrogen atom is 0.0000000000529. Express the Bohr radius of a hydrogen atom in scientific notatio?
1 answer
asked anonymously
27 views
The Bohr radius of a hydrogen atom is 0.0000000000529. Express the
Bohr radius of a hydrogen atom in scientific notation. o 5.29
3 answers
asked anonymously
27 views
A line at 3802cm^-1 is obtained in the infrared region of the atomic spectrum of Hydrogen. Determine the energy of this photon.
1 answer
asked anonymously
29 views
What is the name of the lowest possible energy state for an electron?
1 answer
asked anonymously
21 views
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Parent Categories (7)
Electromagnetism
Optics
Particle Physics
Physics
Quantum Mechanics
Quantum Physics
Science and Technology