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Atomic Physics
Page 4
Questions (316)
the diameter of a copper atom is roughly 1.3×10^-10 m. how many times can you divide evenly a piece of 10cm copper wire until
3 answers
asked by
Shane Rey
1,448 views
Which statement best describes the effect of radioactive decay on a nucleus?(1 point) Responses The resulting nucleus is less
1 answer
asked anonymously
73 views
How many uranium atoms are there in 8.2 g
of pure uranium? The mass of one uranium atom is 4 × 10^−26 kg.
3 answers
asked by
Nora
1,398 views
An alpha particle, the nucleus of a helium atom, is at rest at the origin of a Cartesian
coordinate system. A proton is moving
4 answers
asked by
alexis
1,314 views
Atomic physicists ignore the effect of gravity within an atom. To see why, Calculate and compare the gravitational and
2 answers
asked by
Kyle
1,279 views
A beam of singly ionized carbon atoms (C-12, C-13, and C-14 isotopes) is injected into a mass spectrometer, which isotopes would
2 answers
asked by
ricky
1,276 views
The energy-separation curve for two atoms, a distance, r, apart is: U(r)=−A/r^m+B/r^n
first I have: ((A*m)/(B*n))^(1/(m-n))
2 answers
asked by
qwert
1,227 views
Ionization energy is defined as the minimum energy required to remove an electron from the ground state (n0) to infinity (n∞).
2 answers
asked by
Mary
1,256 views
In a hydrogen atom, if the radius of the orbit of the electron is doubled, then its energy will ...
a)Decrease by a factor of 2
3 answers
asked by
jude
1,179 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
Supppose an atom has four distinct energy states. Assuming all transitions are possible, how many spectral lines can this atom
2 answers
asked by
Molly
1,164 views
What happens to the atomic number of the daughter nucleus if it is formed after the emission of the beta particle?
The atomic
1 answer
asked by
eothwoie
1,173 views
Two protons in an atomic nucleus repel each other, but they are also attracted to each other. Explain.
2 answers
asked by
Shelly
1,143 views
What is the seperation energy ineV for Be3+ in the first excited state in eV?
2 answers
asked by
Anonymous
1,130 views
an electron and a proton are initially very far apart (effectively an infinite distance apart.) they are then brought together
2 answers
asked by
lara
1,169 views
Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st
18 answers
asked by
amar chauhan
1,146 views
A hydrogen atom is at the earth's surface. The electron and proton in the atom are separated by a distance of 5.29x10^-11m. What
3 answers
asked by
jr
1,110 views
Q1: Find the frequency of revolution of the electron in the classical model of the hydrogen atom.In what region of the spectrum
2 answers
asked by
Shah Rukh
1,080 views
Express the absolute value of the partial charges as a decimal fraction of the elementary charge for OH.
2 answers
asked by
Nicole
1,053 views
Determine the ionization energy of a hydrogen atom (in kJ/mol) if the electron is in its ground state. (Hints: Use the Rydberg
2 answers
asked by
Tasha
1,056 views
Whats the speed of an electron of Bohr's orbit K
2 answers
asked by
Dyana
1,032 views
In the Bohr model of the hydrogen atom,
the speed of the electron is approximately 2.41 × 106 m/s. Find the central force acting
2 answers
asked by
Amanda
1,035 views
In the spectrum of a specific element, there is a line with a wavelength of 656 nm. Use the Rydberg equation to calculate the
2 answers
asked by
James
1,016 views
Sodium vapor lamps, use for public lighting, emits 489 nm yellow light. What energy is emitted by:
a) an excited sodium atom when
3 answers
asked by
Michelle
1,025 views
Use the equation to answer the prompt.
10 6C→10 5B+ 0+1e A student claims that the equation models beta-minus decay because the
1 answer
asked anonymously
76 views
Calculate the change in energy of an atom that emits a photon of wavelength 2.21 meters. (Planck’s constant is 6.626 x 10-34
3 answers
asked by
Anonymous
1,003 views
Could someone help me to say this better? I have to Distinguish between atomic physics and nuclear physics, so here is what i
2 answers
asked by
Amanda
995 views
give diameter of the atomic nucleus of lead atom is 1.75x10m
2 answers
asked by
adlfa
964 views
An excited atom emits a photon of a certain
frequency. Then two photons of this frequency fly towards the atom. Which of the
2 answers
asked by
zachary
970 views
If a polonium-210 (Po-210) atom has just decayed, how close can the ejected
alpha particle get to a neighboring Po-210 nucleus?
2 answers
asked by
Bobby
973 views
Find the equation that describes the energy of a photon emitted as an electron relaxes from a higher energy level to a lower one
3 answers
asked by
Toni Jones
944 views
Write the Balmer formular and explain each tearm
2 answers
asked by
Bilal
918 views
If the H-atom electron in the n=1 state absorbs energy equivalent to 2.178x10^-18 J, what energy state will it occupy?
2 answers
asked by
Anonymous
910 views
What is the shielding effect, dealing with the electron vs. the nucleus?
3 answers
asked by
sarahhh
905 views
A monochromatic light beam with energy 204eV is used to excite the Be+3 (H –like atom with Z=4) from its ground state to some
2 answers
asked by
qwer
919 views
The wavelength of first line of balmer series in hydrogen spectrum is 6563 A. Find the wavelength of first line of lyman series
2 answers
asked by
kat
880 views
A hydrogen atom is in the ground state. It absorbs energy and makes a transition to the n = 5 excited state. The atom returns to
1 answer
asked by
Ellie
880 views
what is the wavelength of a photon emitted during a transition from the initial state(ni)=5 state to the final state(nf)=2 state
2 answers
asked by
masre man
865 views
Formulate a problem and spolution of the diameter ofvthe atomic nucleus of a lead atom is 1.75 X 10 to the negative 15th meter.
4 answers
asked by
jm
857 views
A hydrogen atom, when vigorously perturbed, can emit light with a frequency of 6.16 × 1014 Hz. When the same light from
2 answers
asked by
Joan
858 views
A radioactive nucleus of uranium-235 (mU = 235 u) decays spontaneously to thorium-231
by emitting an alpha particle (nucleus of a
1 answer
asked by
anonymus
862 views
A tube containing hydrogen atoms in the n=3 shell does not absorb visible light. The longest wavelength absorbed is 1875 nm.
2 answers
asked by
Maria
843 views
Why do electrons in hydrogen atoms emit infrared light when they make transitions to the n=3 energy level and uv light when they
3 answers
asked by
Jodine
843 views
A photon interacts with a ground state electron in a hydrogen atom and is absorbed. The electron is ejected from the atom and
3 answers
asked by
cristie
846 views
An electron and a proton are initially very far apart (effectively an infinite distance apart). They are then brought together
2 answers
asked by
rick
832 views
The first ionization energy of a carbon atom is 1.81 aJ. What is the frequency and wavelength, in nanometers, of photons capable
2 answers
asked by
Anonymous
812 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
2 answers
asked by
CR
811 views
How much energy is needed to completely remove an electron from n = 2 in a hydrogen atom?
2 answers
asked by
Anna
800 views
help me with this question
2. A hydrogen electron drops from the n=4 level to the n=1 level. A. What is the energy of an emitted
2 answers
asked by
carey
556 views
Five lines in the H atom spectrum have the following wavelengths in Ǻ: a). 1212.7, b). 4340.5, c).
4861.3 d). 6562.8 and e).
2 answers
asked by
Samantha
804 views
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Parent Categories (7)
Electromagnetism
Optics
Particle Physics
Physics
Quantum Mechanics
Quantum Physics
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