Question

Some Radioactive isotopes Useful in Medical Imaging Mode of Isotope Decay Half-life Use in Medical Imaging 8 MP EC. Carbon-11 Fluorine-18 Phosphorus 32 Chromium-51 Tron-59 Gallam-67 Selenium-7 Krypton 81m Strontium-51 Technetium-99 Iodine 131 Mercury-197 Thallium-201 20.3 m 109 m 14.30 27.70 45 78.3 h 118d 1335 EC FC Brain canto trace Klucose metabolism Brain can to trace glucose metabolism Detect eye tumor Diagnose albinism, image the wpleen and gastrointestinal tract Bone marrow function, diagnos is Whole body scan forumo Pancreas Lang ventilation can Sean for boned , including cancer Brain, liver, kidney, bone can diagnosis of damaged heart muscle Diagnosis of thyroid malfunction Kidney can Heart an and exercise stress test U HE I 601 8.04d 64.1h 3.05 d " EC EC. (1) The radioactive isotope iodine 131 is used in medical imaging as indicated on the table above. In addition to gamma emission, what is the mode of decay for iodine 1317 (2) When the nuclide iodine-131 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:

Answer 1

PART-A Answer: Beta Decay. explanation - In addition to Gamma emission - Beta decay as mode of decay. Iodine-131 has @ 131 Bela 53 decay B'ye te 54 Auswers:- 131 54 The mass number of the product nucléde is The atomic number of the product quclide is The game of the product nuclide is Xenon PART-B The radioactive isotope selenium - 75 Answer! [ 34 ] Protons [4 1 Neutrons. & Selenium-75 decay by E.C. i.e. electron captare & remission. E.C. Decay: 765€ + e EC.KAS 34 Answer:- The number of protons ins the product nudlide is 33 | The number of neutrons in the product nuclide is 42] The name of the product ouclide is Arsenic] Part-III • Strontium-81 Half life period = 22.2 m * 9f 64.1 miligrams of strontium-81, how many miligrams are left in the boely after 44.4 m. 64.1 22.27, 32:05 22:33 16.025 milligram's Answers- 16.025 milligrams Scanned with CamScanner