SOLVED

61) Determine the binding energy per nucleon of an Mg-24 nucleus. The Mg-24 nucleus has a mass of 23.985054 amu. A proton has a mass of 1.00728 amu, a neutron has a mass of 1.008665 amu, and 1 amu is equivalent to 931 MeV of energy. A) 0.3050 MeV B) 8.83 MeV C) 0.113 MeV D) 106 MeV E) 4.41 MeV 62) The combination of two light nuclei to form a heavier nuclei is called A) radioactive cleavage. B) nuclear fission. C) nuclear fusion. D) radioactive merge. E) half life. 63) The following reaction represents what nuclear process? H + H → He + n A) nuclear fusion B) alpha emission C) beta emission D) nuclear fission E) neutron capture 64) Identify the necessary components for a nuclear fusion reactor. A) two light elements B) extremely high temperatures C) strong magnetic fields D) all of the above E) none of the above 65) Define transmutation. A) the transformation of one element into another B) the loss of neutrons from an atom C) the loss of electrons from an atom D) the loss of protons from an atom E) the gain of neutrons to an atom 66) Which of the following is a transuranium element? A) Cf B) U C) Rn D) Ra E) Sr 67) Identify the lowest natural radiation. A) cosmic radiation from outer space B) terrestrial radiation C) natural radionuclides in the body D) a five-hour jet airplane ride E) radon gas 68) Identify the highest natural radiation. A) cosmic radiation from outer space B) terrestrial radiation C) natural radionuclides in the body D) a five-hour jet airplane ride E) radon gas 69) Identify the part of the body that can be studied with radiotracers. A) spleen B) brain C) heart D) tumors E) all of the above 70) technetium-99m can be used to label antibodies in order to help locate infections. What type of emission is associated with technetium-99m? A) alpha emission B) beta emission C) gamma emission D) positron emission E) electron capture 71) Identify the common radiotracers used in the diagnosis of medical problems A) fluorine-18 B) iodine-131 C) thallium-201 D) iron-59 E) all of the above 72) iodine-131 is used to help image the thyroid gland, and undergoes beta emission. How many protons are found in the product nuclide after emission? A) 53 B) 54 C) 77 D) 78 E) 131