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  • in reactors: yellowcake, a uranium oxide; after that probably metallic uranium
  • in stars: ordinary hydrogen; after that helium
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11y ago
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6y ago

We most often see uranium-235 and plutonium-239 used as nuclear fuels.

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11y ago

uranium and plutonium

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12y ago

U235

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Q: What are the two most common isotopes used as nuclear fuels?
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Related questions

Is uranium and plutonium the most common istopoes for nuclear power?

The most important isotopes for nuclear reactors are: - fissile isotopes: U-233, U-235, Pu-239, Pu-241 - fertile isotopes: Th-232, U-238


Do nuclear chain reactions happen in only uranium?

The most common fuels used in nuclear chain reactions are 235U (uranium) and 239Pu (plutonium).


What are the most common nuclear fuels?

in reactors: yellowcake, a uranium oxide; after that probably metallic uraniumin stars: ordinary hydrogen; after that helium


What are the most common fuels?

The most common fossil fuels are coal, oil and natural gas.


What are the most common isotopes of the element californium?

The isotopes 252Cf and 251Cf.


After fossil fuels what power supplies the most electricity to the world.?

nuclear !!!!!!!!!!


After fossil fuels what power supplies the most electricity to the world?

nuclear !!!!!!!!!!


Why uranium is most common in isotopes?

The most common isotope of uranium is uranium-238.


Where does plutonium most commonly exist?

Plutonium exist in nuclear fuels (burned or new fuels of the type U-Pu).


What are the most common isotopes of germanium?

69 and 67


What materials can be used as fuels for a nuclear reactor?

Uranium and most transuranic elements. Plutonium and Americium are particularly good reactor fuels.


What is the most common nuclear reaction?

Nuclear fission.