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Chemistry, 14.11.2019 23:31 SunsetPrincess

Uranium-235, with a half-life of 713,000,000 years, decays to lead-207. if a rock sample is determined to have one-quarter of the uranium-235 content it had when it formed, the age of the rock sample can be estimated to be approximately years old.

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Uranium-235, with a half-life of 713,000,000 years, decays to lead-207. if a rock sample is determin...

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