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Plutonium-235 is an artificial isotope with a half life of 25,3(5) minutes. It is obtained only in some nuclear reactions.
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Name two possible fuel sources for a nuclear reactor?
Uranium (enriched in U-235), plutonium
What is the most fissionable material?
Plutonium-239 and Uranium-235
Fissionable fraction of fuel in a nuclear reactor?
In light water reactors the new fuel has about 4 to 5 percent U-235, which is the fissionable part, the rest being U-238. In some countries mixed oxide fuel is used (MOX) which contains some Plutonium as well as U-235, but the fissionable content is much the same. Heavy water or graphite reactors can use natural uranium, which contains 0.7 percent U-235.
What element is radioactive and synthetic plutonium xenon barium or cesium?
Plutonium is a radioactive chemical element; practically all plutonium is man made - in the nature plutonium is extremely rare.
Is plutonium rare where is it most abundant?
Plutonium is an artificial chemical element, obtained by nuclear reactions and separated by reprocessing of burned nuclear fuel - as a byproduct plutonium is not so rare. Plutonium is found in the nature with some uranium ores, but only in ultratraces.
How rare is plutonium U-235?
unfathomably
What does U-235 plus U-238 plus plutonium make when combined?
An alloy or a mixed oxide
What is the alpha decay of plutonium 239?
The daughter isotope of Pu-239 is U-235.
What is the halflife of plutonium 235?
The half life of plutonium-235 is 25,3(5) minutes.
Name two possible fuel sources for a nuclear reactor?
Uranium (enriched in U-235), plutonium
Similarties between uranium-235 and plutonium-239 in nuclear reactors?
Uranium 235 and Plutonium 239 are fissile elements, fissionable with thermal neutrons.
To what does plutonium-239 decay when it loses an alpha particle?
Yes, plutonium-239 emits alpha particles by decay.
Which metal isotopes are generally used in atom bombs and nuclear reactors?
Nuclear reactors usually use uranium. U-235 is the isotope that undergoes fission, but it is usually only about 5% of the initial uranium in the fuel, the rest is U-238 which is not fissile itself but during reactor operation some turns into plutonium which is fissile and starts to contribute to the fuel output as the U-235 gets depleted. Atom bombs usually use plutonium-239 but can also be made from pure U-235.
Which material type is more dangerous plutonium 239 or uranium 235?
Plutonium is more toxic and radioactive.
What 2 radioactive elements were chosen for the atomic bomb?
Uranium and Plutonium
What is the most fissionable material?
Plutonium-239 and Uranium-235
Is there plutonium in a nuclear power plant?
Yes, plutonium can be a nuclear fuel. It is formed in a reactor by U-238 (most of the fuel in fact) absorbing a neutron and becoming Pu-239. This is also fissile, so it compensates to some extent for the depletion of the U-235 as the reactor operates.
