8) (6-pts: 3-pts each) Fluorine-18 is an isotope used in Positron Emission Tomography (PET) to scan the brain. The half-
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8) (6-pts: 3-pts each) Fluorine-18 is an isotope used in Positron Emission Tomography (PET) to scan the brain. The half-
8) (6-pts: 3-pts each) Fluorine-18 is an isotope used in Positron Emission Tomography (PET) to scan the brain. The half-life of 18F is 109.8 minutes. (SHOW CALCULATIONS) a. What is the decay constant for Fluorine-18? b. If a researcher has 1.50 ug of 18F, how long before it decays to 0.55 ug?
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