Suppose a radioactive material, UPinium, was found under the chemistry building in 2000 (year). In the year 2000, it weighed 52.5 grams. How many grams will remain in 2050? The half-life of UPinium is 12.5 years. Estimate the age of an object whose C-14 activity is only 30% that of living wood. The half life of C-14 is 5730 years.

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Chapter13: Nuclear Structure
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Suppose a radioactive material, UPinium, was found under the chemistry building in 2000 (year). In the year 2000, it weighed 52.5 grams. How many grams will remain in 2050? The half-life of UPinium is 12.5 years.

Estimate the age of an object whose C-14 activity is only 30% that of living wood. The half life of C-14 is 5730 years.

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