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Enriched uranium is still usually mainly 238U, but it has a higher percentage of 235U than the natural abundance. Depleted uranium is exactly the opposite: it's got a LOWER than normal amount of 235U.

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โˆ™ 2009-04-25 06:34:38
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Q: Enriched uranium uranium 235 or uranium 238?
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Related questions

Is Uranium-238 enriched uranium?

Enriched uranium: uranium with more than 0.7 % uranium 235. Uranium 238 is not enriched uranium.


What element if often enriched and used in nuclear bombs?

Uranium is enriched in the isotope uranium-235, producing uranium-238 as waste.


What fuel does a nuclear reactor use?

Uranium-235 in combination with Uranium-238, enriched from natural levels of about 0.7% U-235 to about 5% U-235. There are other configurations, but this is the most common.


What is the difference in a Uranium - 235 U-235 and a Uranium - 238 U-238 atom?

Uranium 235 has 92 neutrons and uranium 238 has 95 neutrons.


What is enriched uranium?

Enriched uranium is uranium that has had its U-235 isotope content elevated above what it would be when we refine natural uranium after recovering the metal from ore.We know that U-235 is the desired fissionable isotope of uranium, but it is the isotope U-238 that is present in over 99% of all the naturally occurring uranium we mine and recover. We have to put the uranium through a process to separate the U-235 from the U-238. As these two isotopes are chemically identical, it takes a mechanical process to separate them. After running the uranium through a process designed to take advantage of the difference in the mass of the two atoms, the industry will recover uranium with a very high percentage of the U-235 isotope, and this is called enriched uranium.If uranium is enriched to a point where there is up to about 20% U-235, it is low-enriched uranium. Above that 20% mark we see highly enriched uranium. Above about 85%, we call the product weapons-grade uranium. A link can be found below for more information.


What is a uranium 235 that is use in nuclear power plant?

U-235 is the enriched form of U-238 which is used in fission reactors as the fuel rods.


How is an atom of uranium 235 similar to a uranium atom of 238?

Uranium-235 and uranium-238 has 92 protons and 92 electrons; but uranium-235 has 143 neutrons and uranium-238 has 146 neutrons.


What is differentiation enriched uranium?

Enriched uranium is an uranium with more than 0,7 % uranium 235.


Why can't uranium be reused?

Uranium can be reused after the separation from the other products of the nuclear fission: uranium enriched with the isotope 235 as fissile material and depleted uranium (mainly the isotpoe 238) as fertile material.


Uranium-235 and uranium-238 are different of uranium?

Isotopes Uranium 235 and uranium 238 are only natural isotopes of the element uranium.


Uranium -235 and uranium -238 are different of uranium?

Uranium-235 and uranium-238 are two different natural, radioactive isotopes of uranium.


What different types of uranium are there?

Uranium is a chemical element with three natural isotopes (234, 235, 238). The natural uranium has cca. 0,72 % uranium-235; uranium with a concentration of uranium-235 under 0,72 % is called depleted uranium; uranium with a concentration of uranium -235 above 0,72 % is called enriched uranium. Uranium in nuclear power and research reactors is used as metal, aloys, uranium dioxide, uranium carbides, uranium silicides, etc.


What are uranium 235 and uranium 238?

U-235 and U-238 are natural radioactive isotopes.


How is the structure uranium 235 different from the structure of an atom of uranium 238?

Uranium 235 has 143 neutrons and uranium 238 has 146 neutrons.


Why is enriched uranium is preferred over natural uranium as a fuel in thermal reactors?

The uranium isotope that is actually useful (whether for a reactor, or for an atomic bomb) is U-235. Natural uranium contains only about 0.7% of this; the remainder is mainly U-238. Therefore, it must be enriched, to have a greater percentage of U-235.


Uraniun 238 and uranium 235?

- Uranium-235 has 143 neutrons. - Uranium-238 has 146 neutrons. - The atomic mass of uranium-238 is greater.


A radioactive fuel which can be used in power stations?

Usually, Uranium-235. Sometimes, in special applications, Plutonium-239. Note that naturally occurring Uranium is more than 99% Uranium-238, and less than 1% Uranium-235. In order to build an effective reactor, the Uranium is enriched, typically to around 5% Uranium-235.


How is the structure of an atom or uranium 235 dfferent to the structure of an atom of uranium 238?

Uranium-235 has 143 neutrons and uranium-238 has 146 neutrons.


How is the structure of an atom of uranium 235 different from the structure of an atom of uranium 238?

Uranium-235 has 143 neutrons and uranium-238 has 146 neutrons.


How is the structure of an atom of uranium 235 different from the structure of an astom of uranium 238?

Uranium-235 has 143 neutrons, uranium-238 has146 neutrons.


Uranium 235 and Uranium 238 are said to be what kind of radioactivity?

Uranium 235 and uranium 238 are especially alpha particles emitters. They are natural radioactive isotopes.


Uranium-235 and uranium-238 are different?

Uranium-235 and uranium-238 are different isotopes of the element uranium. They have different mass numbers due to different numbers of neutrons.


Why uranium 235 is fissionable but not uranium 238?

Uranium-238 don't suport a nuclear chain reaction; reasons belong to nuclear physics. Uranium-235 - yes !


Uranium 235 and uranium 238 have the same number of protons but different numbers of neutrons so these two elements are said to be radioactive what?

Uranium-235 and uranium-238 are isotopes of uranium.


Which isotope of uranium is most common?

More than 99%of naturally occurring uranium is U-238. The valuable U-235 makes up less than 1% of uranium, and must be "enriched" in complicated processes.