Half Life Practice Worksheet What Is Meant By Half Life. 03 i shr. Iodine 131 has a half life of 8 days.
If each half life is 5 seconds then in one minute. Iodine 131 has a half life of 8 days. How much of the isotope will you have left after 20 years.
After 42 days a 2 0 g sample of phosphorus 32 contains only 0 25 g of the isotope.
The answer is solved by creating the fraction. The set up is as follows. Number of half lives. 03 i shr.
