Minerals/Metals/Precious/Quiz

Precious metal minerals is a lecture and an article from the school of geology. It is about solid, crystalline substances containing precious metal 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.

You are free to take this quiz based on precious metal minerals at any time.

To improve your scores, read and study the lecture, the links contained within, listed under See also and External links, and in the and  templates. This should give you adequate background to get 100 %.

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Quiz
{Yes or No, Platinum can also occur as nuggets. + Yes - No
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{Gold (Au) is the most prestigious metal known, but it's not the most { valuable (i) }.
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{Yes or No, Gold is the only metal that has a deep, rich, metallic yellow color. + Yes - No
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{Where gold has been concentrated, it occurs as wires, dendritic crystals, twisted sheets, octahedral crystals, and variably-shaped { nuggets (i) }.
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{True or False, Platinum is a body-centered cubic metal above room temperature. - 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, Alkali minerals, or alkali metal minerals, are those with unusually high concentrations, atomic per cents, or weight per cents, of the body-centered cubic 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, Ruthenium is a hexagonal close-packed metal from room temperature to melting. + 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, Rhenium is a body-centered cubic metal at room temperature. - 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, Rhodium is a face-centered cubic metal at room temperature. + 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, Potarite is a platinum-mercury mineral. - TRUE + FALSE
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{True or False, Palladium is a face-centered cubic metal at room temperature. + TRUE - FALSE
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{Uranophane is a rare calcium uranium { nesosilicate (i) } hydrate mineral.
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{True or False, Silver is a fcc metal at higher temperatures up to melting. - TRUE + FALSE
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{Yes or No, Platinum is an fcc metal at room temperature. + Yes - No
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{Yes or No, Gold is a face-centered cubic metal at room temperature up to melting. + Yes - No
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Hypotheses

 * 1) Precious metals are usually the most chemically inert metals.