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Nuclear reaction: Quiz


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Question 1: According to the reference tables, the 63Li nucleus has a relative atomic mass of 6.015 ________ (abbreviated u), the deuterium has 2.014 u, and the helium-4 nucleus has 4.0026 u Thus:
HydrogenMole (unit)Atomic mass unitMolar mass

Question 2: (n,2n) reactions produce small amounts of protactinium-231 and uranium-232 in the ________ which is otherwise relatively free of highly radioactive actinide products.
Molten salt reactorNuclear fission productRadioactive wasteThorium fuel cycle

Question 3: This energy is eventually released through ________.
Nuclear fissionGamma rayRadioactive decayNuclear fusion

Question 4: A small amount of energy may also emerge in the form of ________.
Radiation therapyNuclear fusionX-rayIonizing radiation

Question 5: This is a large amount of energy for a nuclear reaction; the amount is so high because the binding energy per ________ of the helium-4 nucleus is unusually high, because the He-4 nucleus is "doubly magic".

Question 6: When the product nucleus is metastable, this is indicated by placing an ________ ("*") next to its atomic number.
AmpersandBracketAsteriskPercent sign

Question 7: ________ belongs to a class in which only photons were involved in creating and destroying states of nuclear excitation.
Nuclear isomerZincTantalumInduced gamma emission

Question 8: ________ are symbolically represented by red spheres, and neutrons by blue spheres.

Question 9: very high temperatures, on the order of millions of degrees, producing ________ reactions
Nuclear fusionNuclear fissionAneutronic fusionFusion power

Question 10: The rate at which reactions occur depends on the particle energy, the particle ________ and the reaction cross section.
Magnetic fieldMaxwell's equationsGauss's lawFlux

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