116. Solving a chemistry problem
Seller: Derkach
Price: 1.17 USD
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Product description
- After how many years will the number of nuclei of radioactive strontium-90, which fell out with radioactive fallout as a result of a nuclear explosion, become less than 1.0% of the original amount? The half-life of 90Sr is 27 years.
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.