Plutonium is a radioactive, metallic, chemical element.
It has the symbol Pu and the atomic number 94.
It is the element used in most modern nuclear weapons.
The most important, albeit not most stable, isotope of plutonium is 239Pu, with a half-life of 24,110 years.
For more information about the topic Plutonium, read the full article at Wikipedia.org, or see the following related articles:
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