Mode of DecayHalf-lifeUse in Medical Imaging Isotope o...1 ptsM C Carbon-11 F Fl

Question

Mode of DecayHalf-lifeUse in Medical Imaging Isotope o...1 ptsM C Carbon-11 F Fluorine-18 PPhosphorus-32 CrChromium-51 FeIron-59 20.3 mBrain scan to trace glucose metabolism ,7109 Brain scan to trace glucose metabolism 14.3 d Detect eye tumors 27.7 d 44.5 d 78.3 h 118d 13.3 Lung ventilation scan 22.2 mScan for bone diseases, including cancer 6.01 hBrain, liver, kidney, bone scans; diagnosis of damaged hea 8.04 d 64.1 h R1 ptsM E.?., ? ?, ? ?.?., EC., ? Diagnose albiniam, image the-plen and gastrointestinal Bone marrow function, diagnose anemias whole-body scan for tumors Pancreas scan Gallium-67 Se Selenium-75 Kr Krypton-81m SrStrontium-81 1 pts 1 pts 2redq 9:Te Technetium-99m Iodine-131 ? EC., ? EC., ? Diagnosis of thyroid malfunction Kidney scan Heart scan and exercise stress test Mercury-197 s 1 ptsM T Thallium-201 3.05 d (1) The radioactive isotope fluorine-18 is used in medical imaging as indicated on the table above. In addition to gamma emission, what is the mode of decay for fluorine-18? 1ptsM 1 pts M beta emission 1 pts 2req (2) When the nuclide fluorine-18 decays in this way: the mass number of the product nuclide is the atomic number of the product nuclide is: the name of the product nuclide is:

Explanation / Answer

1) beta+ means positron emission

2) 18F9 ----> 18O8 + 0e+1(positron)

18O8 = product

the mass number of the product nuclide = 18

the atomic number of the product nuclide = 8

name of the product nuclide = Oxygen-18

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