Minerals/Chalcogens/Quiz

< Minerals < Chalcogens
This is a native tellurium crystal from the Emperor Mine, Vatukoula, Tavua Gold Field, Viti Levu, Fiji. Credit: Robert Stravinsky.

Chalcogen minerals is a lecture and an article from the school of geology and the astronomy department. It is about solid, crystalline substances that occur in and compose astronomical objects including the Earth. It focuses on materials containing large amounts of chalcogens that may occur on the surface of or associated with some astronomical objects.

You are free to take this quiz based on chalcogen 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 astronomy resources and geology resources templates. This should give you adequate background to get 100 %.

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Quiz

Point added for a correct answer:   
Points for a wrong answer:
Ignore the questions' coefficients:

1. Yes or No, Carbonate minerals are chalcogen minerals.

Yes
No

2. Elpidite has the formula Na2ZrSi6O15·3H2O. As a chalcogen mineral it is also a

.

3. True or False, Emplectite has the chemical formula CuBiS2. It contains the chalcogen bismuth.

TRUE
FALSE

4. Chaoites are another hexagonal form of native


5. True or False, Emmonsite, or durdenite, has the formula Fe2(TeO3)3·2H2O. It is a tellurate mineral.

TRUE
FALSE

6. Complete the text:

At volcanic locations, native sulfur can be seen flowing and it is .

7. Yes or No, Enargite (Cu3AsS4) is an arsenate.

Yes
No

8. Elyite has the chemical formula Pb4Cu(SO4)(OH)8. Which chalcogens are contained in the mineral?

lead
copper
sulfur
oxygen
hydrogen
plumbum

9. Yes or No, A carbonate (CO3) usually occurs with an anion.

Yes
No

10. A terrestrial planet is composed primarily of?


11. True or False, Carpathite is a chalcogen mineral.

TRUE
FALSE

12. Yes or No, Silicon carbide contains one chalcogen.

Yes
No

13. Yes or No, Native selenium can occur as needles.

Yes
No

14. Yes or No, Phosphate minerals are also chalcogen minerals.

Yes
No

Your score is 0 / 0

Research

Hypothesis:

  1. Chalcogen minerals compose a large percentage of terrestrial objects.

Control groups

This is an image of a Lewis rat. Credit: Charles River Laboratories.

The findings demonstrate a statistically systematic change from the status quo or the control group.

“In the design of experiments, treatments [or special properties or characteristics] are applied to [or observed in] experimental units in the treatment group(s).[1] In comparative experiments, members of the complementary group, the control group, receive either no treatment or a standard treatment.[2]"[3]

Proof of concept

Def. a “short and/or incomplete realization of a certain method or idea to demonstrate its feasibility"[4] is called a proof of concept.

Def. evidence that demonstrates that a concept is possible is called proof of concept.

The proof-of-concept structure consists of

  1. background,
  2. procedures,
  3. findings, and
  4. interpretation.[5]

See also

References

  1. Klaus Hinkelmann, Oscar Kempthorne (2008). Design and Analysis of Experiments, Volume I: Introduction to Experimental Design (2nd ed.). Wiley. ISBN 978-0-471-72756-9. http://books.google.com/?id=T3wWj2kVYZgC&printsec=frontcover.
  2. R. A. Bailey (2008). Design of comparative experiments. Cambridge University Press. ISBN 978-0-521-68357-9. http://www.cambridge.org/uk/catalogue/catalogue.asp?isbn=9780521683579.
  3. "Treatment and control groups, In: Wikipedia". San Francisco, California: Wikimedia Foundation, Inc. May 18, 2012. Retrieved 2012-05-31.
  4. "proof of concept, In: Wiktionary". San Francisco, California: Wikimedia Foundation, Inc. November 10, 2012. Retrieved 2013-01-13.
  5. Ginger Lehrman and Ian B Hogue, Sarah Palmer, Cheryl Jennings, Celsa A Spina, Ann Wiegand, Alan L Landay, Robert W Coombs, Douglas D Richman, John W Mellors, John M Coffin, Ronald J Bosch, David M Margolis (August 13, 2005). "Depletion of latent HIV-1 infection in vivo: a proof-of-concept study". Lancet 366 (9485): 549-55. doi:10.1016/S0140-6736(05)67098-5. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1894952/. Retrieved 2012-05-09.

External links

This is a research project at http://en.wikiversity.org

Development status: this resource is experimental in nature.
Educational level: this is a research resource.
Resource type: this resource is a quiz.
Subject classification: this is an astronomy resource.
Subject classification: this is a Geology resource.
Subject classification: this is a materials science resource.
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