Minerals/Transuranics/Quiz

Transuranic minerals is a lecture from the school of geology. It is about solid, crystalline substances containing the transuranic elements of the periodic table that occur in and compose astronomical objects. It focuses on materials that may occur on the surface of or associated with some astronomical objects.

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Quiz
{Complete the text: Based on the observation of the long-lived isotopes of { roentgenium (i) }, 261Rg and 265Rg (Z = 111, t1/2 ≥ 108 y) in natural { gold|Au (i) }, an experiment was performed to enrich Rg in 99.999% Au.
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{Yes or No, Radium is an actinide element. - Yes + No
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{Carnotite is a potassium uranium { vanadate (i) } radioactive mineral.
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{Yes or No, Lead is an actinide element. - Yes + No
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{Autunite occurs as an oxidizing product of uranium minerals in granite pegmatites and hydrothermal { deposits (i) }.
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{True or False, Actinium is an actinide element. + TRUE - FALSE
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{Complete the text: Elements usually emit a { gamma ray|gamma-ray (i) } during nuclear { decay (i) } or { fission (i) }.
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{True or False, Actinide minerals, or actinides, are those with unusually high concentrations, atomic per cents, or weight per cents, of the actinide elements. + TRUE - FALSE
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{Carnotite is a mineral that may be associated with which phenomena? + varying water content + small amounts of calcium, barium, magnesium, iron, and sodium + a bright to greenish yellow mineral - demonstrating that Venus was once a comet + amounts as low as one percent will color sandstone a bright yellow. + an important uranium ore + usually found in sedimentary rocks in arid climates
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{Yes or No, Thorium is an actinide element. + Yes - No
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{Complete the text: Muromontite is a mixture of uranium and { beryllium (i) }. Alpha particles from the decay of { uranium (i) } are captured by the beryllium atoms, which in turn release neutrons. In the case of this sample, the neutrons are in turn re-captured by the { uranium (i) }, which then undergoes further { decay (i) } and is transformed into { plutonium (i) }.
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{Yes or No, Thorium is a transuranic element. - Yes + No
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{A terrestrial planet is composed primarily of? { silicate rocks|metals|silicates|rocks (i) }
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{Yes or No, Protactinium is an actinide element. + Yes - No
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{The primary source of the world's thorium is the rare-earth, and thorium, phosphate mineral { monazite (i) }.
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{Yes or No, Uranium is an actinide element. + Yes - No
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{Complete the text: The extremely rare element technetium can be found in { uraninite|pitchblende (i) } in very small quantities (about 0.2 ng/kg), produced by the { spontaneous (i) } fission of uranium-238.
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{True or False, Neptunium is a transuranic element. + TRUE - FALSE
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{Which geochemical phenomena are associated with thorianite? + thorium oxide - lightning + common in the alluvial gem-gravels of Sri Lanka + the mineral is slightly less radioactive than pitchblende - liquid methane oceans + water worn, small, heavy, black, cubic crystals
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{Yes or No, Muromontite contains the highest known naturally occurring concentration of plutonium. + Yes - No
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{True or False, Plutonium is an actinide element. + TRUE - FALSE
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{Phenomena associated with torbernites? - have a gaseous surface + radioactive + hydrated green copper uranyl phosphate mineral + isostructural with the related uranium mineral, autunite + the number of water hydration molecules can vary between 12 and 8 + gives rise to a variety of metatorbernite when torbernite spontaneously dehydrates
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{True or False, Americium is a transuranic and an actinide element. + TRUE - FALSE
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{The rarest naturally occurring element on Earth is named { Astatine (i) }
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{True or False, Curium is a transuranic element. + TRUE - FALSE
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{Uranophane is a rare calcium uranium { nesosilicate (i) } hydrate mineral.
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{True or False, Berkelium is an actinide element. + TRUE - FALSE
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{Red ochre is a natural pigment composed of what likely source of red? { hematite|iron|iron oxide|Fe2O3|Fe2O3 (i) }
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{True or False, Californium is a transuranic element. + TRUE - FALSE
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{Match up the crystal with the mineral uraninite - A monazite - B pitchblende - C thorianite - D { D (i) }. { C (i) }. { B (i) }. { A (i) }.
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{Yes or No, Einsteinium is an actinide element. + Yes - No
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{A gamma-ray spectrum for autunite is likely to show peaks for Ra-226, { Pb-214 (i) } and Bi-214.
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{True or False, Fermium is an actinide element. + TRUE - FALSE
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{True or False, Fermium isotopes have been found in precambrian carbonate rocks from Sao Paulo State. + TRUE - FALSE
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{Yes or No, Mendelevium is an actinide element. + Yes - No
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{Yes or No, Nobelium is an actinide element. + Yes - No
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{Yes or No, Lawrencium is an actinide element. + Yes - No
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{Yes or No, The symbol for the element livermorium is Lm. - Yes + No
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Hypotheses

 * 1) Transuranics may be found in rocks and minerals where heavy elements including actinides occur.