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"what are the half lives for uranium-235 and uranium-238?"
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"what are the half lives for uranium-235 and uranium-238?"

User Totowtwo
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Answer:

Uranium-238 has a half-life of an incredible 4.5 billion years. Uranium-235 has a half-life of just over 700 million years. Uranium-234 has the shortest half-life of them all at 245,500 years, but it occurs only indirectly from the decay of U-238

Step-by-step explanation:

User Hamed F
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Uranium-238 - 4.46 billion years
Uranium-235 - 704 million years
User Xabbuh
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