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Plutonium has 20 isotopes; each isotope has another half-life. Please read: http://en.wikipedia.org/wiki/Isotopes_of_plutonium.

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14y ago
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12y ago

The half life (not life span) of the most important isotope of plutonium (239Pu) is 2,41.104 years; for other isotopes see a table of isotopes.

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12y ago

The half life of 239 Pu is 24 200 years.

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Q: What is the half-life of plutonium-239?
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