Chemistry

Chemistry, 01.07.2019 14:20, Daddysgirl2019

What mineral is not scratched by a fingernail, but is scratched by a copper penny?

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Biology, 21.06.2019 17:40, danielamadrid79

Ageologist determines that a sample of a mineral cant be scratched by a steel nail but can be scratched by a masonry drill bit based on this information the sample mineral has to be softer than

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Chemistry, 22.06.2019 08:40, jaueuxsn

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

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Biology, 24.06.2019 07:40, kelli151

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. corundum. c. fluorite. d. apatite.

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Biology, 17.10.2019 04:10, shadenShaden4528

10 1. mineral a scratches minerals e and i, but it can be scratched by mineral j. 2. mineral c can be scratched by every other mineral. 3. mineral e can scratch mineral i. 4. mineral f can scratch only mineral c. 5. mineral b can scratch mineral f, but it can be scratched by all the other minera 6. mineral h can scratch every other mineral. 7. mineral d can be scratched only by mineral h. 8. mineral g can be scratched by minerals hand d; it can scratch mineral j. prentice-hall, inc.

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