Minerals/Actinides/Quiz

Actinide minerals is a lecture from the school of geology. It is about solid, crystalline substances containing the actinide 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 actinide 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 %.

As a "learning by doing" resource, this quiz helps you to assess your knowledge and understanding of the information, and it is a quiz you may take over and over as a learning resource to improve your knowledge, understanding, test-taking skills, and your score.

Suggestion: Have the lecture available in a separate window.

To master the information and use only your memory while taking the quiz, try rewriting the information using more familiar points of view, or be creative with association.

Enjoy learning by doing!

Quiz
{Yes or No, Radium is an actinide element. - Yes + No
 * type=""}

{Carnotite is a potassium uranium { vanadate (i) } radioactive mineral.
 * type="{}"}

{Yes or No, Lead is an actinide element. - Yes + No
 * type=""}

{Autunite occurs as an oxidizing product of uranium minerals in granite pegmatites and hydrothermal { deposits (i) }.
 * type="{}"}

{True or False, Actinium is an actinide element. + TRUE - FALSE
 * type=""}

{Complete the text: Elements usually emit a { gamma ray|gamma-ray (i) } during nuclear { decay (i) } or { fission (i) }.
 * type="{}"}

{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
 * type=""}

{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
 * type="[]"}

{Yes or No, Thorium is an actinide element. + Yes - No
 * type=""}

{A terrestrial planet is composed primarily of? { silicate rocks|metals|silicates|rocks (i) }
 * type="{}"}

{Yes or No, Protactinium is an actinide element. + Yes - No
 * type=""}

{The primary source of the world's thorium is the rare-earth, and thorium, phosphate mineral { monazite (i) }.
 * type="{}"}

{Yes or No, Uranium is an actinide element. + Yes - No
 * type=""}

{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.
 * type="{}"}

{True or False, Neptunium is an actinide element. + TRUE - FALSE
 * type=""}

{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
 * type="[]"}

{True or False, There are blue or blue mineral containing meteorites. + TRUE - FALSE
 * type=""}

{True or False, Plutonium is an actinide element. + TRUE - FALSE
 * type=""}

{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
 * type="[]"}

{True or False, Americium is an actinide element. + TRUE - FALSE
 * type=""}

{The rarest naturally occurring element on Earth is named { Astatine (i) }
 * type="{}"}

{True or False, Curium is an actinide element. + TRUE - FALSE
 * type=""}

{Uranophane is a rare calcium uranium { nesosilicate (i) } hydrate mineral.
 * type="{}"}

{True or False, Berkelium is an actinide element. + TRUE - FALSE
 * type=""}

{Red ochre is a natural pigment composed of what likely source of red? { hematite|iron|iron oxide|Fe2O3|Fe2O3 (i) }
 * type="{}"}

{True or False, Californium is an actinide element. + TRUE - FALSE
 * type=""}

{Match up the crystal with the mineral uraninite - A monazite - B pitchblende - C thorianite - D { D (i) }. { C (i) }. { B (i) }. { A (i) }.
 * type="{}"}

{Yes or No, Einsteinium is an actinide element. + Yes - No
 * type=""}

{A gamma-ray spectrum for autunite is likely to show peaks for Ra-226, { Pb-214 (i) } and Bi-214.
 * type="{}"}

{True or False, Fermium is an actinide element. + TRUE - FALSE
 * type=""}

{True or False, Fermium isotopes have been found in precambrian carbonate rocks from Sao Paulo State. + TRUE - FALSE
 * type=""}

{Yes or No, Mendelevium is an actinide element. + Yes - No
 * type=""}

{Yes or No, Nobelium is an actinide element. + Yes - No
 * type=""}

{Yes or No, Lawrencium is an actinide element. + Yes - No
 * type=""}

Hypotheses

 * 1) Actinides are often found in sedimentary rocks.