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Nuclear Physics
Page 4
Questions (983)
A student claims that the equation models beta minus decay because the atomic number of the nucleus decreases by one and 1 to 2
6 answers
asked by
Anonymous
1,911 views
The energy from the Sun that reaches Earth is the result of which of the following processes, repeated many times in the core of
4 answers
asked by
Destiny
1,406 views
Predict the mode of decay for Mn-59.
a. beta decay <-- b. positron emission c. electron capture d. Mn-59 is stable I was
3 answers
asked by
.
1,047 views
Plutonium-239 has a half-life of 24 000 years. What percent of plutonium-239 remains after 10 000 years? (Answer=74.9%)
AND After
5 answers
asked by
Taylor Candice
1,572 views
A radionuclide undergoes alpha emission, and thorium-234 is produced. What was the original radionuclide?
3 answers
asked by
chris
659 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
3. Describe the subatomic structure of the nucleus of carbon-14, including the structure of each nucleon. Draw a picture.
Describ
3 answers
asked by
Jenna
837 views
If you were trying to design the most effective nuclear fission reactor possible, what ratio of
U-235 to U-238 would you want?
3 answers
asked by
Hassina
993 views
212 84Po→208 82Pb+AZX
What would the value of A be here? 212 84Po→208 82Pb+AZX what would the value of z be here?
3 answers
asked by
Jones
2,228 views
_The_Natural_Base_e_
An accident in 1986 at the Chernobyl nuculear plant in the Ukraine released a large amount of plutonium
3 answers
asked by
Student09
1,159 views
Technetium-99m emits only gamma radiation. Why would this type of radiation be used in diagnostic imaging rather than an isotope
4 answers
asked by
Boo Boo
2,233 views
equation of nuclear fission of urnaium 235 forming iodine 131
4 answers
asked by
Anonymous
649 views
Which of the following statements are true?
Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going,
3 answers
asked by
Grace
1,399 views
What happens whena nucleus is stabilized by losing alpha particles?
3 answers
asked by
Anonymous
734 views
How much energy is emitted in each α decay of plutonium-234? (234Pu, 234.0433mu; 230U, 230.0339mu; 4He = 4.0026 mu).
I tried
4 answers
asked by
Trixie
1,188 views
A uranium nucleus 238U may stay in one piece for billions of years, but sooner or later it decays into an a particle of mass
3 answers
asked by
Anonymous
3,083 views
What is the difference between nuclear fission and fusion?
4 answers
asked by
Anonymous
821 views
A single uranium atom has a mass of 3.97 x 10^-25 kg. It decays into the nucleus of a thorium atom by emitting an alpha particle
3 answers
asked by
Dorothy
700 views
given the following nuclear reaction 251/98 Cf- 0/0Y + A/Z X what type of decay is demonstrated here
3 answers
asked anonymously
92 views
given the following nuclear reaction 251/98 Cf- 0/0Y + A/Z X what is the atomic mass of the new atom?
3 answers
asked anonymously
146 views
Which statement about nuclear fission is correct?
3 answers
asked by
Unknown
80 views
Why is critical mass important for a fission chain reaction?
-keeps neutrons from escaping the sample. -keeps neutrons from being
4 answers
asked by
Question
342 views
compare and contrast the three types of radioactive decay
4 answers
asked by
haley
537 views
the half life of thorium -229 is 7340 years. how long will it take for sample of this substance to decay to 20% of its original
3 answers
asked by
michael
1,127 views
A Geiger counter is used to measure the activity of a sample of iodine-131. Based on the data, what is the half-life of
4 answers
asked by
finley
1,456 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
Radioactive decay is first order in the decaying isotope. For example, strontium-90 contained in fallout from nuclear explosions
4 answers
asked by
Soco
842 views
The emission of high energy particles from the nucleus of an atom is called
A. radioactivity B. electromagnetism C. transmutation
3 answers
asked by
Neena
650 views
Which of the following statements is true about the nucleus?
Only the strong nuclear force holds the nucleus together. The strong
3 answers
asked by
robstone
2,449 views
If 9.00 g of _27^60 Co (half-life = 5.30 y) are allowed to decay, how many grams would be left after 1.00 y and after 10.0 y?
g
1 answer
asked by
tarsa
345 views
How old is a sample that contains 125 atoms of U-235 and 375 atoms of Pb-207?
...Given that the half life values on my handout
3 answers
asked by
J
1,262 views
Write a nuclear equation for the indicated decay of each of the following nuclides.
Th−234 (beta)......no clue O−15 (positron
3 answers
asked by
Jones
1,681 views
The overall hydrogen burning reaction in stars can be represented as the conversion of four protons to one alpha particle. Use
4 answers
asked by
Sandy
1,133 views
3. Radioactive decay of nuclei often involves several decays before a stable nucleus is formed. This is called a decay chain.
3 answers
asked by
Adam
1,012 views
What is the binding energy of 1 mole of 239/94 Pu if the mass defect is 0.001896 kg/mol?
3 answers
asked by
Abbie
1,172 views
Radioactive 24Na with a half-life of 14.8 hours is injected into an animal in a tracer experiment. How many hours will it take
3 answers
asked by
Colby
528 views
Describe the subatomic structure of the nucleus, including the structure of each nucleon.
Describe the forces that hold the
4 answers
asked by
Maria
1,827 views
An example of the neutron absorption reaction is .
1 0 n+10 5 B-->7 3 Li+ 4 2 He The rest masses of each particle in atomic mass
4 answers
asked by
Amy
512 views
An alpha-particle collides with an oxygen nucleus which is initially at rest. The alpha-particle is scattered at an angle of
3 answers
asked by
PCm
573 views
radium-266 may emit a photon of light with a frequency of 4.5x 10^19 s^-1 when it undergoes nuclear fission. what is the
3 answers
asked by
jj
936 views
the concentration of tritium in the wine is 0.34 times that found in the freshly bottled wines. if the half life of the tritium
4 answers
asked by
Queen
656 views
The masses of 4He, 6Li, and 10B are 4.0015, 6.0135, and 10.0102 amu respectively. The fission of a boron-10 nucleus into He-4
4 answers
asked by
hahaha
992 views
If you have 24 grams of an unstable atom with a half life of 5,000 years, how many grams would be left after 15,000 years
4 answers
asked by
aida
971 views
the first excited state of the nucleus of uranium-235 is 0.051 MeV above the ground state. what is the wavelength of the photon
4 answers
asked by
Sasha
1,189 views
The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 4 mg. What was
4 answers
asked by
<3
1,844 views
This is a very confusing question and I have no idea how to tackle it.
- In a nuclear reactor, neutrons released by nuclear
4 answers
asked by
Sal
1,989 views
write an exponential decay model that describes the situation.
one hundred grams of plutonium is stored in a container.the amount
4 answers
asked by
derriel welch
1,501 views
electron decay transforms 40 K 19 into what nuclide?
4 answers
asked by
Gabe
1,576 views
Nuclei with higher than desired neutron-to-proton ratio tend to undergo which type of decay?
alpha beta gamma positron
3 answers
asked by
Mary
808 views
Unwanted radioactive products formed during nuclear reactions are called?
2 answers
asked by
Jordan
729 views
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