Mineral Review (1st and 4th) Multiple Choice



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Mineral Review (1st and 4th)

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____ 1. A mineral's streak



a.

is more reliable than color in identifying a mineral.

b.

reveals the mineral's specific gravity.

c.

is the same as a luster test.

d.

reveals the mineral's crystal structure.

____ 2. Which of the following terms is NOT used to describe a mineral's luster?



a.

pearly

c.

dull

b.

waxy

d.

hexagonal

____ 3. Which of the following is considered a special property that applies to only a few minerals?



a.

color

c.

streak

b.

luster

d.

magnetism

____ 4. Which of the following physical properties can be expressed in numbers?



a.

luster

c.

color

b.

hardness

d.

reaction to acid

____ 5. If the atoms of a substance are arranged in a specific, repetitive pattern, the substance is



a.

a compound.

c.

crystalline.

b.

colorful.

d.

easily scratched.

____ 6. The nonsilicate minerals



a.

do not contain oxygen.

c.

all display good cleavage.

b.

are all rare substances.

d.

include native elements.

____ 7. Which statement best describes minerals?



a.

Rocks are made of minerals.

c.

Minerals can be solid, liquid or gas.

b.

Minerals are made of rocks.

d.

Crystals made by people are minerals.

____ 8. Which of the following describes gems?



a.

minerals that are valued for their beauty rather than for usefulness

b.

mineral crystals that are attractive and rare

c.

minerals that are hard enough to be cut and polished

d.

all of the above

____ 9. Gold is an example of a(n)



a.

oxide mineral.

c.

carbonate mineral.

b.

sulfide mineral.

d.

native element.

____ 10. The most common classification of minerals is based on



a.

color.

c.

size.

b.

chemical composition.

d.

shape.

____ 11. The two most common elements in the Earth's crust are



a.

nitrogen and oxygen.

c.

silicon and oxygen.

b.

carbon and silicon.

d.

oxygen and carbon.

____ 12. ____ minerals make up less than ten percent of the Earth's crust.



a.

Nonsilicate

c.

Carbonate

b.

Silicate

d.

Sulfate

____ 13. Gold, silver, and copper are all examples of



a.

oxides.

c.

native elements.

b.

sulfides.

d.

carbonates.

____ 14. Minerals that contain combinations of carbon and oxygen in their chemical structure are called



a.

native elements.

c.

oxides.

b.

carbonates.

d.

sulfates.

____ 15. ____ are minerals that contain both sulfur and oxygen (SO4).



a.

Sulfides

c.

Oxides

b.

Carbonates

d.

Sulfates

____ 16. Minerals are classified based on chemical composition into which two groups?



a.

silicates and nonsilicates

c.

organic and inorganic

b.

carbons and noncarbons

d.

crystalline and noncrystalline

____ 17. Which of the following is NOT a property that is commonly used to identify minerals?



a.

color

c.

density

b.

hardness

d.

texture

____ 18. Because of factors such as weathering and impurities, ____ usually is NOT a reliable indicator of a mineral's identity.



a.

luster

c.

color

b.

streak

d.

hardness

____ 19. On Mohs' hardness scale, which of the following minerals is the softest?



a.

talc

c.

corundum

b.

diamond

d.

orthoclase


Completion

Complete each statement.

20. Gold and silver are ____________________ because they are each composed of a single type of atom. (elements or compounds)

21. Minerals that contain a combination of silicon and oxygen are called ____________________ minerals.

22. Minerals that do NOT contain a combination of silicon and oxygen are called ____________________ minerals.



Short Answer

23. Which two elements are most common in minerals?

24. Explain why each of the following is not considered a mineral: a cupcake, water, teeth, oxygen.

25. How do you determine a mineral's streak?

26. While trying to determine the identity of a mineral, you decide to do a streak test. You rub the mineral across the plate, but it does not leave a streak. Does this mean your test failed? Explain your answer.

Mineral Review

Answer Section

MULTIPLE CHOICE

1. ANS: A PTS: 1 DIF: I OBJ: 3-2.1

2. ANS: D PTS: 1 DIF: I OBJ: 3-2.2

3. ANS: D PTS: 1 DIF: I OBJ: 3-2.2

4. ANS: B PTS: 1 DIF: I OBJ: 3-2.1

5. ANS: C PTS: 1 DIF: I OBJ: 3-1.1

6. ANS: D PTS: 1 DIF: I OBJ: 3-1.2

7. ANS: A PTS: 1 DIF: I OBJ: 3-1.1

8. ANS: D PTS: 1 DIF: I OBJ: 3-3.2

9. ANS: D PTS: 1 DIF: I OBJ: 3-1.2

10. ANS: B PTS: 1 DIF: I OBJ: 3-1.2

11. ANS: C PTS: 1 DIF: I OBJ: 3-1.2

12. ANS: A PTS: 1 DIF: I OBJ: 3-1.2

13. ANS: C PTS: 1 DIF: I OBJ: 3-1.2

14. ANS: B PTS: 1 DIF: II OBJ: 3-1.2

15. ANS: D PTS: 1 DIF: II OBJ: 3-1.2

16. ANS: A PTS: 1 DIF: I OBJ: 3-1.2

17. ANS: D PTS: 1 DIF: I OBJ: 3-2.1

18. ANS: C PTS: 1 DIF: I OBJ: 3-2.1

19. ANS: A PTS: 1 DIF: I OBJ: 3-2.1



COMPLETION

20. ANS: elements

PTS: 1 DIF: I OBJ: 3-1.1

21. ANS: silicate

PTS: 1 DIF: I OBJ: 3-1.2

22. ANS: nonsilicate

PTS: 1 DIF: I OBJ: 3-1.2

SHORT ANSWER

23. ANS:

Oxygen and silicon are the most common elements in minerals.

PTS: 1 DIF: I OBJ: 3-1.2

24. ANS:

A cupcake is not a mineral because it does not have a crystalline structure and it does not form in nature. Liquid water is not a mineral because it does not have a crystalline structure and it is a liquid, not a solid. (Water ice can be considered a mineral.) Teeth are not minerals because they are a living part of your body. Oxygen is not a mineral because oxygen atoms by themselves do not have a crystalline structure.

PTS: 1 DIF: II OBJ: 3-1.1

25. ANS:

Scrape the mineral across a ceramic streak plate. The color of the material that rubs off the mineral sample is the mineral’s streak.

PTS: 1 DIF: I OBJ: 3-2.1

26. ANS:

No; the test was actually successful. You learned that the unknown mineral has no streak and that it is harder than the streak plate. This clue will help you classify the mineral.



PTS: 1 DIF: II OBJ: 3-2.1

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