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Uraninite: Quiz


Question 1: In the United States it can be found in the states of New Hampshire, Connecticut, North Carolina, Wyoming, Colorado, ________ and New Mexico.
AlabamaGeorgia (U.S. state)ArizonaFlorida

Question 2: Helium was first found on Earth in uraninite after having been discovered spectroscopically in the ________'s atmosphere.
SunJupiterSolar SystemStar

Question 3: Some of the highest grade uranium ores in the world have been found in the Athabasca Basin in northern ________.
British ColumbiaAlbertaManitobaSaskatchewan

Question 4: The mineral is known at least since the 15th century from silver mines in the Erzgebirge Mountains, ________.

Question 5: Uraninite also always contains small amounts of the lead ________ Pb-206 and Pb-207, the end products of the decay series of the uranium isotopes U-238 and U-235 respectively.
Stable nuclideTechnetiumIsotopeAtom

Question 6: It also occurs in ________, Germany, England, and South Africa.
BarbadosUnited KingdomAustraliaCanada

Question 7: However, the type locality is Jáchymov in the ________, from where F.E.Brückmann described the mineral in 1727.
PolandCzech RepublicHungarySlovakia

Question 8: Small amounts of helium are also present in uraninite as a result of ________.
Nuclear fusionGamma rayNuclear fissionAlpha decay

Question 9: The extremely rare element ________ can be found in uraninite in very small quantities (about 0.2 ng/kg), produced by the spontaneous fission of uranium-238.

Question 10: [1] Pitchblende from the ________ deposit in Germany was used by M.Klaproth in 1789 to discover the element uranium.
JohanngeorgenstadtBockauAueSchneeberg, Saxony


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