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Aufgabe

Lösungsschritte

1. Understand the question
   1. a minerals resistance to being scratched is referred to as its....a. cleavageb. hardnessc. crystal shaped. coloruse the table to answer the following questions:12. what is the softest mineral?a. gypsumb. quartzc. talcd. diamond13. what is the hardest mineral?a. titaniumb. pyritec. diamondd. tungsten14. according to the table, what is the approximate hardness of a mineral that scratches quartz and cannot scratch corundum?a. 3b. 5c. 7d. 915. which minerals listed on the chart above can scratch quartz?a. feldsparb. quartzc. quartz and topazd. quartz, topaz, and corundum16. what minerals cannot scratch quartz?a. feldsparb. quartzc. quartz and topazd. quartz, topaz, corundum, diamond
2. Brief Explanations
   1. Defines the mineral property describing scratch resistance.
   2. Identifies the mineral with the lowest hardness value in the table.
   3. Identifies the mineral with the highest hardness value in the table.
   4. Finds the hardness range between quartz and corundum, then matches the option.
   5. Selects minerals with hardness ≥ quartz's hardness (7) from the table.
   6. Selects minerals with hardness < quartz's hardness (7) from the table.
3. Final answer
   1. b. Hardness
   2. c. Talc
   3. c. Diamond
   4. d. 9
   5. d. Quartz, topaz, and corundum
   6. a. Feldspar

Antwort

Question Analysis

OCR Text

11. a minerals resistance to being scratched is referred to as its....a. cleavageb. hardnessc. crystal shaped. coloruse the table to answer the following questions:12. what is the softest mineral?a. gypsumb. quartzc. talcd. diamond13. what is the hardest mineral?a. titaniumb. pyritec. diamondd. tungsten14. according to the table, what is the approximate hardness of a mineral that scratches quartz and cannot scratch corundum?a. 3b. 5c. 7d. 915. which minerals listed on the chart above can scratch quartz?a. feldsparb. quartzc. quartz and topazd. quartz, topaz, and corundum16. what minerals cannot scratch quartz?a. feldsparb. quartzc. quartz and topazd. quartz, topaz, corundum, diamond

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