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Curium: Quiz


Question 1: Curium has been studied greatly as a potential fuel for ________ (RTG).
UraniumNuclear fuelRadioisotope thermoelectric generatorPlutonium

Question 2: Due to the fact that the discovery of the new elements, curium and americium, was closely related to the ________ the results were confidential and publication was impossible.
World War IIAerial warfareTechnology during World War IIManhattan Project

Question 3: All of the remaining ________ isotopes have half-lives that are less than 30 years, and the majority of these have half-lives that are less than 33 days.
Nuclear fusionGamma rayNuclear fissionRadioactive decay

Question 4: Chemically reactive, its metal is silvery-white in color and the element is more electropositive than ________ (most trivalent curium compounds are slightly yellow).

Question 5: A rare earth homolog, curium is somewhat chemically similar to gadolinium but with a more complex ________.
SolidCrystallographyCrystal growthCrystal structure

Question 6: These properties make them useful for applications as alpha particle source and as heat generator in ________ (RTG).
Nuclear fuelRadioisotope thermoelectric generatorPlutoniumUranium

Question 7: The ________ which is to be used in power reactors should contain little or no curium as the neutron activation of 248Cm will create californium which is a strong neutron emitter.
PlutoniumMOX fuelNuclear reactor technologyNuclear fuel cycle

Question 8: Louis Werner and Isadore Perlman created a visible sample of curium-242 hydroxide at the ________ in 1947 by bombarding americium-241 with neutrons.
University of California, RiversideUniversity of California, Los AngelesUniversity of CaliforniaUniversity of California, San Diego

Question 9: It was chemically identified at the Metallurgical Laboratory (now ________) at the University of Chicago.
Nuclear Energy (sculpture)Argonne National LaboratoryFermilabChicago Pile-1

Question 10: Curium-242 (half-life 163 days) and one free neutron were made by bombarding ________ onto a plutonium-239 target in the 60-inch cyclotron at Berkeley.
ElectronAlpha particleAtomAlpha decay


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