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The isotope 226Ra has a half-life for radioactive decay of 1600 Y. How long will it take the amount of 226 Ra in a sample of 226RaCl2 to decrease by 25%

The isotope 226Ra has a half-life for radioactive decay of 1600 Y. How long will it take the amount of 226 Ra in a sample of 226RaCl2 to decrease by 25%
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The isotope 226Ra has a half-life for radioactive decay of 1600 Y. How long will it take the amount of 226 Ra in a sample of 226RaCl2 to decrease by 25%

User Eskir
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the correct answer is 226Ra is half and long as radioactive decay
User Farbod
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