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Nuclear Physics
Page 3
Questions (983)
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
4 answers
asked by
Eric
1,850 views
How does the nucleus change in beta-plus decay?
The mass number increases by one, and the atomic number remains the same. The
4 answers
asked by
:|
1,084 views
If the half-life of a radionuclide is 1 month, is a sample of it completely decayed after 2 months?
4 answers
asked by
Dee
1,838 views
show that the mass number and the number of protons are conserved in the following nuclear equation:
234 230 4 92 U-----> 90 th +
4 answers
asked by
monique n
2,082 views
In the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear weapons and got into the bones
5 answers
asked by
jessica
7,933 views
A sample of pure cobalt-60 has an activity of 8 µCi.
(t1/2 cobalt-60 = 5.26 a) (a) How many atoms of cobalt-60 are present in
4 answers
asked by
Trixie
824 views
nuclear equation for the decay of iridium−192 with β and γ emission
4 answers
asked by
Anonymous
702 views
Why are gamma rays generally not shown when writing nuclear equations ?
4 answers
asked by
TJ
1,120 views
Calculate the binding energy per nucleon (in J) for 6Li and 7Li. The atomic masses are 6.015122 u for 6Li, and 7.016004 u for
4 answers
asked by
.
1,934 views
Use the fact that after 5715 years a given amount of carbon 14 will have decayed to half the original amount to find the
4 answers
asked by
Kristina
1,656 views
Last questions I'll ask, I got the rest the rest :) And a quick thank you to Bob, you've helped me out a lot and even taught me
4 answers
asked by
Tommy Tucker
743 views
The half-life of 156Hf is 0.025 s. How long will it take a 560 g sample to decay to one-fourth its original mass?
4 answers
asked by
julie
1,448 views
Which statement best describes the effect of radioactive decay on a nucleus?(1 point)
The resulting nucleus is more stable than
4 answers
asked by
heyo ❄
568 views
What happens to the neutrons produced in a fission reaction?
Select all that apply. They combine to form a new element. They are
13 answers
asked by
dianni
3,579 views
In a location in outer space far from all other objects, a nucleus whose mass is 3.57232e-25 kg and which is initially at rest
4 answers
asked by
bryce tanaka
1,551 views
describe what happens when a nucleus is stabilized by converting protons into neutrons
4 answers
asked by
melissa
1,917 views
1) The number of radioactive nuclei in a particular sample decreases over a period of 15 days to one-seventeenth the original
4 answers
asked by
Sandhya
2,013 views
The diameter of the atomic nucleus of a lead atom is 1.75*10^15 m.
I need help in making a word problem out of this given data I
4 answers
asked by
Pauline
2,645 views
A certain radioactive nucleus emits a gamma ray with an energy of 0.186 MeV.
Calculate the mass lost by the nucleus during the
4 answers
asked by
Ellen
1,722 views
How many times greater is the half-life of 24Na (15 hours) to that of 216Po (0.15 seconds)
Half-time of 24 Na (15hrs) would be
4 answers
asked by
anonymous
765 views
An alpha particle (mass=6.68x10^-27kg)is emitted from a radioactive nucleus with an energy of 5.00MeV. How fast is the alpha
4 answers
asked by
Matt
1,279 views
Given: diameter of the atomic nucleus of a lead atom is 1.75 × 10-15 m. What is its nucleus volume?
4 answers
asked by
jeon selin
725 views
Uranium-238 has half life of 4.51 * 10^9 years
Uranium-234 has half life of 2.48 * 10^5 years Thorium-230 has half life of 8.0 *
4 answers
asked by
Harry
1,058 views
given the following nuclear reaction 252/99 Es-0/-1e+a/zX what type of decay is demonstrated here?
4 answers
asked anonymously
118 views
Given the following nuclear reaction
251 0 A ----- Cf ----> --- Y + --- X 98 0 Z 1. What is the atomic mass of the new atom?: 2.
4 answers
asked by
I hate school
812 views
A simple of radium weight 1000g. How long will it take to decay to 125g if its half life is 1620 years??
6 answers
asked by
Charles
828 views
How does the mean lifetime of a deuteron (d) in the core of the Sun compare with the mean lifetime of a proton (p) in the core
3 answers
asked by
Anon
510 views
The cesium-131 nuclide has a half life of 30 years. After 90 years, about 6g remain. What is the original mass of the cesium-131
3 answers
asked by
Please help
2,089 views
An atomic nucleus at rest decays radioactively into an alpha particle and a nucleus smaller than the original. What will be the
3 answers
asked by
Victoria
2,190 views
if The magnitude of the nuclear spinangular momentum of a nuclei is 15 /2 units. Then what will be the value of I
3 answers
asked by
kuldeep
433 views
How much energy is released in the beta decay of 14 C?
Since carbon-14 decays into Nitrogen-14, the mass of carbon 14 is
4 answers
asked by
Mariana
1,933 views
which process occurs in a controlled fusion reaction?
1 light nuclei collide to produce heavier nuclei. 2 heavy nuclei collide to
3 answers
asked by
Jazmin
4,905 views
What is the decay constant for a radioactive isotope which decreases to 34% of its original value in 2.48 hours?
4 answers
asked by
me
754 views
Why do protons in a very large nucleus have a greater chance of flying apart by electrical repulsion?
3 answers
asked by
Will
994 views
Nuclear reactions can be written out in equation form, with information about the nuclei that undergo the change and those that
4 answers
asked by
Fork
677 views
Why does the emission of an alpha particle always result in transmutation?
- Energy is released from the nucleus of the atom.
3 answers
asked by
Help
1,038 views
1. Consider the binding energy per nucleon for 16-O and 56-Fe. Would you expect the fusion reactions leading from 16-O to 56-Fe
3 answers
asked by
Sidiqi
1,592 views
The following table gives values for the mass defect ∆m for four hypothetical nuclei: A, B, C, and D, isotopes of an element.
A
4 answers
asked by
Sidiqi
900 views
In the sun, nuclear fusion takes place. If the decrease in mass isa 0.006 50g, how much energy is released?
3 answers
asked by
Sonia
560 views
alpha emission by plutonium 242
write a nuclear equation
3 answers
asked by
jinie
1,084 views
how many half lives will it take for 50 g of 99Tc to decay to 6.25 g?
5 answers
asked by
Anonymous
1,989 views
A simulation at the nuclear level has nuclei with 20 protons and 100 neutrons. Alpha particles can get very close to the nuclei.
3 answers
asked by
mama bear
69 views
A 238U nucleus is moving in the x-direction at 4.8×105m/s when it decays into an alpha particle (4He) and a 234Th nucleus. The
5 answers
asked by
Peter
2,298 views
Show that if a radioactive substance has a half life of T, then the corresponding constant k in the exponential decay function
3 answers
asked by
lucy
1,497 views
Radioactive nuclei are produced in an irradiated sample at the rate of 10 s-1. If the number in the sample builds up to a
4 answers
asked by
Ali
1,077 views
The nucleus of a certain type of uranium atom contains 92 protons and 143 neutrons. What is the total charge of the nucleus in
3 answers
asked by
Hunter
1,470 views
Which of the following is correct for the nuclear fission reaction?
Choose one answer. a. The mass of the daughter nucleus is
3 answers
asked by
ashley --
1,189 views
Explain the term 'artificial radio isotopes'.
3 answers
asked by
Dibash
465 views
The nuclide 12 N 7 is unstable. What type of radioactive decay would be expected???
my guess is either gamma or beta. are either
3 answers
asked by
Jonathan
1,596 views
a radioactive fission product of nuclear explosions and sccidents is often iodine 131 which becomes distributed in the
3 answers
asked by
Amanda
368 views
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