Half lives

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Last updated 5:19 PM on 10/1/26
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6 Terms

1
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K-40

Half-Life: 1.3 billion years | Daughter Product: Ar-40

2
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U-238

Half-Life: 4.5 billion years | Daughter Product: Pb-206

3
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U-235

Half-Life: 704 million years | Daughter Product: Pb-207

4
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Th-232

Half-Life: 14.1 billion years | Daughter Product: Pb-208

5
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Rb-87

Half-Life: 49 billion years | Daughter Product: Sr-87

6
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C-14

Half-Life: 5,730 years | Daughter Product: N-14