Question 1

Which of the following minerals has good cleavage in two directions, which creates a rectangular-shaped crystal?

Accepted Answer

A)  Halite
B)  Quartz
C)  Plagioclase
D)  BiotiteE) B) and C)
F) A) and C)

Question 2

A(n) ________ is the fundamental particle of matter.

Accepted Answer

A)  electron
B)  mineral
C)  nucleus
D)  atomE) B) and C)
F) A) and C)

Question 3

What is the significance of valence electrons in connection to mineral formation?

Accepted Answer

Valence electrons are present in the out...

Question 4

Assuming well-formed crystals, how many cleavage surfaces are present on the sample in this image? (Note: Cleavage surfaces are not cleavage planes.)

Accepted Answer

6

Question 5

Conchoidal fractures are indicative of the mineral ________.

Accepted Answer

A)  muscovite
B)  quartz
C)  fluorite
D)  pyroxeneE) None of the above
F) All of the above

Question 6

What is an ion?

Accepted Answer

A)  An atom that has more or fewer protons than it should
B)  An atom that has more or fewer neutrons than it should
C)  An atom that has more or fewer electrons than it shouldD) All of the above
E) B) and C)

Question 7

In an aqueous solution that has not reached the saturation point, why won't the ions bond to create mineral crystals?

Accepted Answer

A)  The opposite charges of the ions repel each other.
B)  The ions are too close together to form a regular internal crystalline structure.
C)  The motion of the dissolved ions keeps them from joining.
D)  There are too few ions to make any minerals.E) A) and B)
F) None of the above

Question 8

________ are groups of the same kinds of atoms that cannot be broken down into other substances by ordinary chemical means.

Accepted Answer

A)  Molecules
B)  Electrons
C)  Elements
D)  MineralsE) A) and B)
F) A) and C)

Question 9

Only eight elements make up the vast majority of rock-forming minerals.Which of the following elements is not one of the eight?

Accepted Answer

A)  Oxygen
B)  Hydrogen
C)  Iron
D)  PotassiumE) All of the above
F) A) and C)

Question 10

Crystallization of molten rock will produce ________ rocks.

Accepted Answer

A)  metamorphic
B)  igneous
C)  sedimentaryD) A) and B)
E) A) and C)

Question 11

Which of the following is the hardest known natural substance?

Accepted Answer

A)  Talc
B)  Diamond
C)  Quartz
D)  SapphireE) A) and B)
F) All of the above B

Question 12

Which of the following mineral identification techniques would most easily identify calcite?

Accepted Answer

A)  Taste
B)  Streak
C)  Magnetism
D)  EffervescenceE) A) and C)
F) B) and C)

Question 13

There can be no variation of mineral composition in order for the substance to remain the same mineral.

Accepted Answer

A) True 
 B)False

Question 14

Using the samples in this image, indicate the number of cleavage directions this crystal displays.(Please note that cleavage surfaces do not equate to cleavage directions.)

Accepted Answer

The answer of  Using the samples in this image,...

Question 15

Two unknown minerals are placed before you for identification.You decide to test each mineral's hardness.Mineral A will scratch a piece of glass.Mineral B will not.Which mineral is harder? How do they compare to the specific hardness of the glass?

Accepted Answer

Mineral A is harder.Specifical...

Question 16

According to the octet rule, atoms tend to gain, lose, or share electrons until they are surrounded by ________ valence electrons.

Accepted Answer

A)  2
B)  6
C)  8
D)  10E) B) and C)
F) B) and D)

Question 17

What is the mineral name for table salt?

Accepted Answer

A)  Halite
B)  Calcite
C)  Dolomite
D)  GypsumE) B) and D)
F) A) and D)

Question 18

Which intermediary helps to break down minerals into a form digestible by humans?

Accepted Answer

A)  Meteorites
B)  Rocks
C)  Plants
D)  GravelE) All of the above
F) B) and D) C

Question 19

________ refers to a mineral's intensity and quality of reflected light.

Accepted Answer

A)  Cleavage
B)  Luster
C)  Tenacity
D)  StreakE) A) and B)
F) A) and C)

Question 20

All minerals have cleavage.

Accepted Answer

A) True 
 B)False

Exam 3: Matter and Minerals

Which of the following minerals has good cleavage in two directions, which creates a rectangular-shaped crystal?

Correct AnswerverifiedShow Answer

A(n) ________ is the fundamental particle of matter.

Correct AnswerverifiedShow Answer

What is the significance of valence electrons in connection to mineral formation?

Correct AnswerverifiedValence electrons are present in the out...View AnswerShow Answer

Assuming well-formed crystals, how many cleavage surfaces are present on the sample in this image? (Note: Cleavage surfaces are not cleavage planes.)

Correct Answerverified6

Conchoidal fractures are indicative of the mineral ________.

Correct AnswerverifiedShow Answer

What is an ion?

Correct AnswerverifiedShow Answer

In an aqueous solution that has not reached the saturation point, why won't the ions bond to create mineral crystals?

Correct AnswerverifiedShow Answer

________ are groups of the same kinds of atoms that cannot be broken down into other substances by ordinary chemical means.

Correct AnswerverifiedShow Answer

Only eight elements make up the vast majority of rock-forming minerals.Which of the following elements is not one of the eight?

Correct AnswerverifiedShow Answer

Crystallization of molten rock will produce ________ rocks.

Correct AnswerverifiedShow Answer

Which of the following is the hardest known natural substance?

Correct AnswerverifiedB

Which of the following mineral identification techniques would most easily identify calcite?

Correct AnswerverifiedShow Answer

There can be no variation of mineral composition in order for the substance to remain the same mineral.

Correct AnswerverifiedShow Answer

Using the samples in this image, indicate the number of cleavage directions this crystal displays.(Please note that cleavage surfaces do not equate to cleavage directions.)

Correct AnswerverifiedShow Answer

Two unknown minerals are placed before you for identification.You decide to test each mineral's hardness.Mineral A will scratch a piece of glass.Mineral B will not.Which mineral is harder? How do they compare to the specific hardness of the glass?

Correct AnswerverifiedMineral A is harder.Specifical...View AnswerShow Answer

According to the octet rule, atoms tend to gain, lose, or share electrons until they are surrounded by ________ valence electrons.

Correct AnswerverifiedShow Answer

What is the mineral name for table salt?

Correct AnswerverifiedShow Answer

Which intermediary helps to break down minerals into a form digestible by humans?

Correct AnswerverifiedC

________ refers to a mineral's intensity and quality of reflected light.

Correct AnswerverifiedShow Answer

All minerals have cleavage.

Correct AnswerverifiedShow Answer

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Valence electrons are present in the out...
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6

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B

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Mineral A is harder.Specifical...
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C

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