Introduction to Chemistry
What is the definition of a radioactive half-life?
If a radioisotope has a half-life of 3 days, how much of a 40g sample remains after 9 days?
A radioisotope has a half-life of 2 years. What percentage of the original sample remains after 6 years?
In the notation of isotopes, what does the symbol 'A' represent?
A 256g sample of a radioisotope has a half-life of 2 years. Calculate the remaining mass after each half-life for 8 years.