?78AEThe synthetic radbisotope technetium-99. which decays
Chapter , Problem 78AE(choose chapter or problem)
78AE
The synthetic radbisotope technetium-99. which decays by beta emission. is the most widely used isotope in nuclear medicine. The following data were collected on a sample of 99Tc:
Disintegrations per Minute Time (h)
180 0
130 2.5
104 5.0
77 7.5
59 10.0
46 12.5
24 17.5
Using these data, make an appropriate graph and curve fit to determine the half-life.
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