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18 Matching questions

  1. Which carbonate mineral reacts readily with cool, dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas?
  2. Which one of the following is a sodium and calcium feldspar with twinning striations?
  3. Which one of the following mineral groups exhibits a sheet-like silicate structure?
  4. The ion at the center of a silicate tetrahedron is surrounded by ________.
  5. Which of the following denotes the purity of gold used in jewelry?
  6. Ruby and sapphire are red and blue forms of the mineral ________.
  7. Which of the following is not a fundamental particle found in atoms?
  8. Which mineral is composed of silicon dioxide (Si02)?
  9. Which of the following minerals is a silicate?
  10. How do the electrons behave in a mineral with metallic bonding?
  11. Which of the following has the highest specific gravity?
  12. Which of the following is an accurate description of ionic bonding?
  13. What mineral is the hardest known substance in nature?
  14. Which one of the following describes a mineral's response to mechanical impact?
  15. In which type of chemical bonding are electrons shared between adjacent atoms?
  16. Which of the following describes the light reflecting and transmission characteristics of a mineral?
  17. Which of the following is correct for isotopes of the same element?
  18. A cubic centimeter of quartz, olivine, and gold weigh 2.5, 3.0, and 19.8 grams respectively. This indicates that ________.
  1. a diamond
  2. b clays
  3. c muscovite
  4. d covalent
  5. e gold has a higher density and specific gravity than quartz and olivine.
  6. f calcite
  7. g 4 oxygen ions
  8. h cleavage
  9. i Atoms of different elements, having gained or lost electrons, form negative and positive ions that are bonded together by attractive forces between ions with opposite charges.
  10. j karat
  11. k quartz
  12. l gold
  13. m selectron
  14. n corundum
  15. o plagioclase
  16. p They can move relatively easily from atom to atom inside the mineral.
  17. q luster
  18. r The atoms have different numbers of neutrons and the same number of protons.