Test Bank For Physical Geology 15Th Edition By Charles (Carlos) Plummer

Test Bank For Physical Geology 15Th Edition By Charles (Carlos) Plummer

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Chapter 02

Atoms, Elements, and Minerals

True / False Questions

1. A mineral is defined as a crystalline solid that is naturally occurring, has a specific chemical composition and forms through geologic processes.
   TRUE

Bloom’s Level: 1. Remember
Topic: Earth Materials

2. The innermost energy level in the standard model of an atom is full when it possesses eight electrons.
   FALSE

Bloom’s Level: 2. Understand
Topic: Earth Materials

3. The atomic mass number is equal to the number of neutrons in an atom.
   FALSE

Bloom’s Level: 1. Remember
Topic: Earth Materials

4. The atomic number of an element is equal to the number of protons in each atom.
   TRUE

Bloom’s Level: 1. Remember
Topic: Earth Materials

5. Rocks are defined as naturally-formed aggregates of minerals or mineral-like substances.
   TRUE

Bloom’s Level: 1. Remember
Topic: Earth Materials

6. The number of neutrons in an atom controls the chemical behavior of an element.
   FALSE

Bloom’s Level: 1. Remember
Topic: Earth Materials

7. Silica is a term for oxygen combined with silicon.
   TRUE

Bloom’s Level: 1. Remember
Topic: Earth Materials

8. It is clear that exposure to white asbestos causes cancer among non-smoking asbestos workers.
   FALSE

Bloom’s Level: 2. Understand
Topic: Earth Materials

9. Both graphite and diamond are made of carbon.
   TRUE

Bloom’s Level: 1. Remember
Topic: Earth Materials

10. All of the most common rock-forming minerals in Earth’s crust are silicate minerals.
    TRUE

Bloom’s Level: 1. Remember
Topic: Earth Materials

11. Clay minerals are very common in the Earth’s upper mantle.
    FALSE

Bloom’s Level: 1. Remember
Topic: Earth Materials

12. Calcite (calcium carbonate) is the most common non-silicate mineral in the Earth’s crust.
    TRUE

Bloom’s Level: 1. Remember
Topic: Earth Materials

13. Non-silicate minerals are more abundant in the deeper parts of Earth’s crust than in the crust as a whole.
    FALSE

Bloom’s Level: 1. Remember
Topic: Earth Materials

14. The quality and intensity of light that is reflected from the surface of a mineral is termed luster.
    TRUE

Bloom’s Level: 1. Remember
Topic: Earth Materials

15. A mineral specimen with a Mohs hardness of 5 can scratch a mineral specimen with a hardness of 3.
    TRUE

Bloom’s Level: 2. Understand
Topic: Earth Materials

16. Minerals that have the same chemical composition but have different crystalline structures exhibit polymorphism
    TRUE

Bloom’s Level: 2. Understand
Topic: Earth Materials

17. Color is the least reliable physical property in mineral identification.
    TRUE

Bloom’s Level: 2. Understand
Topic: Earth Materials

18. Diamond has no cleavage.
    FALSE

Bloom’s Level: 1. Remember
Topic: Earth Materials

19. Specific gravity is the ratio of a mass of a substance to the mass of an equal volume of air.
    FALSE

Bloom’s Level: 1. Remember
Topic: Earth Materials

20. The crystal form of a mineral is a set of faces that have a definite geometric relationship to one another.
    TRUE

Bloom’s Level: 1. Remember
Topic: Earth Materials