The radioisotope Tc is an isotope that is sometimes given to patients because it emits gamma rays and has a relatively short half-life of 6.05 h. Because it emits gamma rays, Tc 99, can be used as a tracer when performing imaging on a specific part of the human body. (a) Find the decay constant ofTc (in h-). h- (b) Find the number of Tc nuclei needed to provide an activity of 2.61 µCi. nuclei
The radioisotope Tc is an isotope that is sometimes given to patients because it emits gamma rays and has a relatively short half-life of 6.05 h. Because it emits gamma rays, Tc 99, can be used as a tracer when performing imaging on a specific part of the human body. (a) Find the decay constant ofTc (in h-). h- (b) Find the number of Tc nuclei needed to provide an activity of 2.61 µCi. nuclei
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Transcribed Image Text:The radioisotope Tc is an isotope that
sometimes given to patients because it emits gamma rays and has a relatively short half-life of 6.05 h. Because
emits gamma rays, 43
can be used as a tracer when performing imaging on a specific part of the human body.
(a) Find the decay constant of "Tc (in h-l).
h-1
(b) Find the number of Tc nuclei needed to provide an activity of 2.61 pCi.
nuclei
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