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Radionuclide: Quiz


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Question 1: In ________, radiation is used to stop the sprouting of root crops after harvesting, to kill parasites and pests, and to control the ripening of stored fruit and vegetables.
Food preservationPicklingFermentation (food)Curing (food preservation)

Question 2: Synthetic isotopes are inherently not naturally occurring on Earth, but can be created by ________.
AtomNeutronNuclear reactionNuclear fission

Question 3: Radioisotopes produced with nuclear reactors exploit the high flux of ________ present.

Question 4: ________ isotopes, such as carbon-14, are present because they are continually being formed in the atmosphere due to cosmic rays.
PlutoniumEnvironmental radioactivityNuclear fission productUranium

Question 5: The radionuclide, in this process, undergoes radioactive decay, and emits a ________(s) and/or subatomic particles.
X-rayGamma rayNuclear fusionNuclear fission

Question 6: Particle accelerators such as ________ accelerate particles to bombard a target to produce radionuclides.

Question 7: A typical product from a nuclear reactor is thallium-201 and ________-192.

Question 8: A radionuclide is an ________ with an unstable nucleus, which is a nucleus characterized by excess energy which is available to be imparted either to a newly-created radiation particle within the nucleus, or else to an atomic electron (see internal conversion) .

Question 9: Natural radionuclides are used in geology, ________, and paleontology to measure ages of rocks, minerals, and fossil materials.
Civil engineeringArchaeologyMiningEngineering

Question 10: Most household smoke detectors contain the radionuclide ________ formed in nuclear reactors.


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