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MINERAL TRIVIA FINAL ROUND!

MINERAL TRIVIA FINAL ROUND!. Round 3 – Question 1. Name a type of non-metal native element mineral. Round 3 – Question 2. X m S n is a general formula for sulfide minerals. Name three elements that can fill in for X. Round 3 – Question 3.

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MINERAL TRIVIA FINAL ROUND!

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  1. MINERALTRIVIAFINAL ROUND!

  2. Round 3 – Question 1 Name a type of non-metal native element mineral

  3. Round 3 – Question 2 XmSn is a general formula for sulfide minerals. Name three elements that can fill in for X.

  4. Round 3 – Question 3 The spinel group of oxides has a general formula of XY2O4. Magnetite Fe3O4 is type of spinel. What type iron cations occupy the X and Y sites?

  5. Round 3 – Question 4 What is a possible anion in Halide minerals?

  6. Round 3 – Question 5 What is a common chemical feature of sulfates, carbonate, and phosphates?

  7. Round 3 – Question 6 Why is the Si-O bond in silicon tetrahedra strong?

  8. Round 3 – Question 7 What is the SixOy unit composition of sorosilicates?

  9. Round 3 – Question 8 What silicate mineral group is characterized by double chain silicon tetrahedra?

  10. Round 3 – Question 9 These pyroxenes display what feature?

  11. Round 3 – Question 10 What type of silicate is quartz which would explain its lack of cleavage?

  12. Round 3 – Question 1 Name a type of non-metal native element mineral. Sulfur, Diamond, Graphite

  13. Round 3 – Question 2 XmSn is a general formula for sulfide minerals. Name three elements that can fill in for X. Fe, Cu, Pb, Zn, Ni, ...

  14. Round 3 – Question 3 The spinel group of oxides has a general formula of XY2O4. Magnetite Fe3O4 is type of spinel. What type iron cations occupy the X and Y sites? Fe+2 in X site; Fe+3 in Y site

  15. Round 3 – Question 4 What is a possible anion in Halide minerals? Cl, F, I, or Br

  16. Round 3 – Question 5 What is a common chemical feature of sulfates, carbonate, and phosphates? All contain anionic complexes

  17. Round 3 – Question 6 Why is the Si-O bond in silicon tetrahedra strong? 50-50 ionic-covalent bond, or electrostatic valence (e.v.) = 4/4, highest in silicate minerals

  18. Round 3 – Question 7 What is the SixOy unit composition of sorosilicates? Si2O7

  19. Round 3 – Question 8 What silicate mineral group is characterized by double chain silicon tetrahedra? Amphibole

  20. Round 3 – Question 9 These pyroxenes display what feature? Exsolution

  21. Round 3 – Question 10 What type of silicate is quartz which would explain its lack of cleavage? Tectosilicate or framework silicate

  22. And the winners are...

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