The following isotopes (listed with their half-lives) have been used in the medical and
Chapter 19, Problem 37(choose chapter or problem)
The following isotopes (listed with their half-lives) have been used in the medical and biologic sciences. Arrange these isotopes in order of their relative decay activities: 3 H (12.2 years), 24Na (15 hours), 131I (8 days), 60Co (5.3 years), 14C (5730 years).
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