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What is the source of energy in nuclear reactor?
The source of energy in a nuclear reactor is the release of binding energy, i.e. the binding energy that hold protons and neutrons together in the nucleus of the atom. Heavy nuclides, such as uranium, are split into lighter nuclides, such as cesium and barium (and many others, in a semi-random cross section). The binding energy required to hold the original uranium together is less than the daughter products and is released to the system in the form of heat and other radiation.
How is nuclear energy lost?
Energy is not lost, nor is it created. It can only be moved from one frame of reference to another. The same goes for mass. When you say that energy is "lost", you seem to be asking what happens during various fission or fusion processes that result in the release of energy. If this is not correct, please restate the question and give more details as to what you want. When nuclear interactions such as fission or fusion occur, the residual binding energy (part of the strong interaction) required to sustain the end result is often less than the energy required to sustain the original configuration. We call this a mass defect or deficit, because mass and energy are equivalent to each other by Einstein's mass-energy equivalence equation e = mc2. This excess mass/energy is released to the system in the form of free energy, radiation, particles, etc. It is not actually "lost"; it is moved from being used to hold things together to where it is no longer needed to do so. (And neither is the mass "lost"; it is simply carried away in the energy, because mass is energy and energy is mass.) That's the simple answer. On a slightly more complex level, each nuclide has its own requirement for binding energy, and if you plot energy versus nuclide, you discover a curve. Starting with hydrogen and going up the list, the energy curve increases. There is a steep jump from hydrogen to helium, then it comes back down slightly, and then goes back on up to around iron. Beyond iron, however, the curve is generally decreasing, and it continues to do so to the end of the elemental list. Because of this curve that is increasing with the light nuclides, and decreasing with the heavy nuclides, we find that fusion of the light nuclides releases energy, while fission of the heavy nuclides also releases energy. Certainly, you could fission light nuclides, or fuse heavy nuclides, but because of the slope of the curve, you would have to contribute energy, and lots of it, so that just does not happen. The related link below has a picture of the curve. The second related link below has the article that contains the picture along with further explanation.
What do heavy nuclei emit when they decay?
The question cannot be definitively answered from the information given. It depends on the isotope what the decay modes are. Brookhaven National Labs has an interactive chart of nuclides; you can click on a particular isotope and see the half-life and decay modes. I've put a link to it in the Related Links section.
How do radioactive nuclides affect photographic film wrapped in light proof paper?
Radioactive nuclides can expose the photographic film through the light-proof paper, leaving visible traces of radiation on the film. This can result in fogging or discoloration of the film, affecting the quality of the images captured. It is important to store photographic film away from sources of radiation to prevent unwanted exposures.
What are 5 examples of nuclear energy?
Nuclear Energy divides into Nuclear Fission as exemplified by the Atomic Bomb and our nuclear power reactors and Nuclear Fusion as exemplified by our Sun, all of the stars in our universe, and the hydrogen bomb. Fusion combines lighter nuclides into heavier nuclides, such as hydrogen to helium, losing some mass and releasing some energy as part of the fusion. Stars fuse hydrogen to helium. Heavy stars move to fusing helium to carbon, then carbon to neon, neon to oxygen, oxygen to silicon, and finally silicon to iron 56. Iron 56 is the end of the line. All available fusion energy has been wrung out. The alternate to fusion is nuclear fission, which splits heavier nuclides into lighter daughters, losing some mass and gaining some energy as part of the fission. For example uranium 235 can absorb a stray neutron and become uranium 236 which then fissions into daughter nuclides plus two stray neutrons. The stray neutrons released by the fission can excite other U235 atoms, thus the chain reaction. Some mass is lost and energy is released. Also, radioactives such as iodine 131 are manufactured and used in medical diagnostics such as renal testing and thyroid uptake testing.
Which type of nuclei energy to be absorbed during nuclear fusion?
Heavy nuclides, greater than iron or nickel, have a negative mass-energy deficit, meaning that it takes more energy to fuse them than would be released by such fusion. That is why only light nuclides, such as hydrogen are realistic candidates for fusion.
Do nuclides contain electrons?
No
Which series consist of radioactive nuclides produced by successive radioactive decay until a stable nuclides is reached?
Decay series
Are all nuclides radioactive?
yes
What is the symbol for the nuclides for uranium-238?
23892U
Are all nuclides are radioactive?
No. Some are stable.
What is the Term for elements which have same number of neutron?
Isotones, isotonic nuclides
What is the difference between natural and artificial radioactive nuclides?
Natural radioactive nuclides are those that occur naturally in the environment, such as uranium-238 or potassium-40, and decay over time through spontaneous processes. In contrast, artificial radioactive nuclides are created in laboratories or nuclear reactors through human processes, like neutron bombardment of stable isotopes, resulting in isotopes like carbon-14 or technetium-99m. While both types of nuclides undergo radioactive decay, their origins and methods of production differentiate them.
Which nuclides is radioisotope used in the study of organic reaction mechanism?
Carbon-14
Why do unstable nuclides undergo nuclear reactions?
Unstable nuclides undergo nuclear reactions in order to become more stable. These reactions involve the nucleus gaining or losing subatomic particles in an attempt to achieve a more favorable balance of protons and neutrons. By undergoing nuclear reactions, unstable nuclides can transform into more stable isotopes with lower energy states.
Do all elements have half life's?
Yes. From a technical point of view, all elements have isotopes (nuclides) that are radioactive and therefore have half-lives. But the majority of these are artificial - man made, and do not occur in nature on Earth. Even hydrogen has nuclides of deuterium and tritium, deuterium is stable and natural, and tritium has a half life of 12.33 years. Having said that, there are a number of nuclides that are stable and occur naturally.
How many stable nuclides exist for elements that have and atomic number above 83?
All isotopes of all elements with atomic number similar or greater than 84 are radioactive, and don't have stable nuclei.
