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plutonium can only form from uranium in a nuclear reactor. since the last natural reactors on earth shut down about 3 billion years ago (oklo) it can't happen naturally now.
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∙ 11y ago
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Can uranium and plutonium bond?
Uranium and plutonium can form alloys.
Can plutonium combine with uranium?
Plutonium and uranium can form alloys.
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 %.
Is there natural plutonium?
Natural plutonium exist in uranium ores in extremely traces - parts per trillion or less.
Where is plutonium found in nature?
Natural isotopes of plutonium exist only in traces in uranium ores.
Why does plutonium not occur in natural ore deposits?
Plutonium occur in deposits of uranium ores but only in ultratraces. In the nature plutonium appear as a result of spontaneous natural fission of uranium isotopes a process with a very low cross section.
Where does uranium and plutonium come from?
Uranium is a natural element extracted from ores. Plutonium is an artificial element obtained in a nuclear reactor by nuclear reactions from uranium 238.
How abundant is plutonium?
Natural plutonium exist only in extremely traces (parts per trillion) in uranium ores.
Why does plutonium have a less mass than uranium?
The atomic mass of the most common isotope of plutonium (Pu-234) is higher than the masses of the uranium natural isotopes.
Is plutonium found free or is it chemically combined in nature?
Plutonium exist in extremely low concentrations in uranium minerals; the chemical form is probably plutonium dioxide or a complex oxide with uranium.
What fuels are used in nuclear reactors?
Most reactors use uranium fuel enriched slightly to about 3-4 percent U-235, in the form of uranium dioxide UO2. Some older reactors used metallic natural uranium, while some other reactors use plutonium or a plutonium-uranium mix as fuel.
What is the differences of plutonium and uranium?
Uranium is a natural chemical element, plutonium is an artificial element (but note that plutonium exist also naturally in the earth crust in extremely low concentrations). Uranium has the atomic number 92 and plutonium 94. The critical mass of uranium is greater than the critical mass of plutonium. The melting and boiling points of U and Pu are different. Uranium has an orthorombic crystalline structure; the structure of plutonium is monoclinic. And many other physical and chemical properties are different.
