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Uranium 235 is 0.7 percent of natural uranium and is fissile

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The uranium isotope specified by the question is the one with mass number 235.

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Q: Which uranium isotope is onley 0.7 percent of natural uranium and is the fissile part?
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Is the uranium-235 isotope the most commonly used fuel in fission power plants?

Yes U235 is the fissionable isotope of Uranium. Natural Uranium contains only about 0.7 percent U235, which is enough to produce fission only with a good moderator such as graphite or heavy water. In light water reactors the Uranium has to be enriched to about 4 percent U 235.


Is plutonium and enriched uranium the same thing?

Plutonium and enriched uranium are different materials.Enriched uranium is uranium with a concentration of the isotope 235U greater than the natural concentration of 0,7 %.


What is the atomic number of uranium and how many neutrons does the isotope uranium-235 have?

The atomic number of uranium is 92. The number of neutrons of the isotope uranium-235 is 143.


What is the average atomic mass of uranium that has three common isotopes if the abundance of 234U is 0.01the abundance of 235U is 0.71 and the abundace of 238U is 99.28.?

Due to the fact that more than 99 % of all natural uranium is U-238, the average atomic mass is 238. The isotope U-234 is also a natural isotope (0.0058%); the uranium average mass is 238.02891 ± 0.00003 (IUPAC, Atomic weights 2005).


How many protons electrons and neutrons in uranium -238?

Protons = 92 Electrons = 92 Neutrons = 146 The number of electrons and protons in a neutral atom are each equal to the atomic number of the element (92). The number of neutrons equals the atomic weight minus the number of protons (238 - 92 = 146).Uranium has 92 protons, 92 electrons, and usually 147 neutrons, though another isotope has 143 neutrons.

Related questions

What is nuclear uranium?

Uranium-235 is the fissile isotope


What are three unusual or unique facts about your element uranium?

1. Uranium is the heaviest natural chemical element. 2. Uranium is radioactive 3. Uranium isotope U-235 is fissile


What is a Radioactive metal from which fissile isotope is removed?

Depleted Uranium


Is uranium available naturally in Nature?

Yes, it is mined mainly in Canada and Australia, but also in other countries. The fissile U235 isotope is only 0.7 percent of natural uranium and is increased by enrichment before use, for most reactors.


What uranium nucleus is fissile?

The isotopes 233U and 235U are fissile with thermal neutrons and the isotope 238U is fissile with fast neutrons.


Is uranium an element?

Uranium is a radioactive element; the isotope 235 is fissile with thermal neutrons; the isotope 238 is not so fissile but is fertile (transformation in the fissile isotope plutonium 239). Consequently, uranium is a good nuclear fuel and also can be used in nuclear weapons.


What is fuel enrichment - nuclear?

Fuel enrichment in nuclear technology refers to the process of increasing the concentration of a particular isotope, such as uranium-235, in a fuel to enhance its fissionability. This enrichment is necessary in nuclear reactors to sustain a chain reaction of nuclear fission, producing heat energy for electricity generation. The most common method of enriching nuclear fuel is through uranium enrichment processes like gas diffusion or gas centrifugation.


What make Uranium fission?

Uranium (especialy the fissile isotope) 235U is fissionable by bombardments with thermal neutrons.


What are facts about uranium fission?

The fission energy of the fissile isotope uranium-235 is 1,68.10e8 kJ/mol.


Is nuclear an atomic fuel?

Fuel used in a nuclear reactor is uranium, the active isotope is uranium 235 which is fissile.


Why is it necessary to enrich the uranium before manufacturing the fuel pellets?

Natural uranium is only 0.72% fissile uranium-235 isotope. This is only fissionable when using heavy water as the moderator to slow the fission neutrons. With any other moderator you need 3% to 5% uranium-235 isotope. For unmoderated fast neutron reactors like breeders you need 20% to 95% uranium-235 isotope.


Which isotope of uranium is used in atomic reactors?

U-235 is the fissile isotope that produces the reactor power output in new fuel. During operation some of the U-238 is converted to plutonium which also contributes to the power of the reactor, an increasing amount as the U-235 is used up.