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Some Radioactive Isotopes Useful in Medical Imaging Mode of Decay Isotope Half-life Use in Medical Imaging iC SF Carbon-11 Fluorine-18 Phosphorus-32 Chromium-51 Iron-59 Gallium-67 Selenium-75 20.3 m 109 m 14.3 d 27.7 d 44.5 d 78.3 h 118 d 13.3 s 22.2 m 6.01 h 8.04 d 64.1 h 3.05 d Brain scan to trace glucose metabolism Brain scan to trace glucose metabolism Detect eye tumors Diagnose albinism, image the spleen and gastrointestinal tract Bone marrow function, diagnose anemias Whole-body scan for tumors Pancreas scan Lung ventilation scan Scan for bone diseases, including cancer Brain, liver, kidney, bone scans; diagnosis of damaged heart muscle E.C., γ Ga 75 E.C., γ E.C., γ saKr Krypton-81m Strontium-81 Technetium-99m Iodine-131 99m 43 iagnosis of thyroid malfunction Kidney scan Heart scan and exercise stress test g Mercury-197 E.C., γ E.C., γ Thallium-201
(1) The radioactive isotope carbon-11 is used in medical imaging as indicated on the table above. How many protons and neutrons are there in a carbon-11 atom?

_____protons
_____neutrons



(2) When the nuclide carbon-11 decays as indicated on the table:

the number of protons in the product nuclide is: ______

the number of neutrons in the product nuclide is: _______

the name of the product nuclide is: ________

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