Question 1

Which one of the following is not a mineral?

Accepted Answer

A)   synthetic diamond
B)   feldspar
C)   ice crystal
D)   quartzE) A) and D)
F) A) and C)

Question 2

Only eight elements-oxygen, silicon, aluminum, iron, calcium, magnesium, potassium, and sodium-make up more than 98 percent of the Earth's crust.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following best describes an element?

Accepted Answer

A)   a small, dense, positively charged subatomic particle
B)   a fundamental form of matter that can be broken into simpler substances by ordinary chemical processes
C)   a fundamental form of matter that cannot be broken into simpler substances by ordinary chemical processes
D)   a naturally occurring inorganic solid with a characteristic chemical composition and a crystalline structureE) All of the above
F) B) and C)

Question 4

Minerals are classified according to their:

Accepted Answer

A)   streak.
B)   chemical elements.
C)   specific weight.
D)   luster.E) None of the above
F) B) and C)

Question 5

Cleavage is the tendency of some minerals to break along flat surfaces.

Accepted Answer

A) True 
 B)False

Question 6

Halite (table salt)  is composed of __________.

Accepted Answer

A)   silicon and oxygen
B)   sodium and chlorine
C)   iron and oxygen
D)   silicon and sodiumE) None of the above
F) B) and D)

Question 7

Minerals whose chemical elements include carbon and oxygen as a major part of their chemical composition are called __________.

Accepted Answer

The answer of Minerals whose chemical elements include carbon and...

Question 8

Copper, lead, and zinc commonly form:

Accepted Answer

A)   native elements.
B)   gems.
C)   sulfide ore minerals.
D)   carbonate minerals.E) B) and C)
F) A) and D) C

Question 9

It is not necessary for a substance to be a solid to be a mineral.

Accepted Answer

A) True 
 B)False

Question 10

A substance in which atoms are arranged without a regular, orderly, periodically repeated pattern is called a crystal.

Accepted Answer

A) True 
 B)False

Question 11

A positively charged ion is a __________.

Accepted Answer

cation

Question 12

Radon forms by the radioactive decay of __________.

Accepted Answer

A)   gold
B)   sodium
C)   platinum
D)   uraniumE) A) and B)
F) A) and C)

Question 13

A/an __________ __________ is a planar surface that develops if a crystal grows freely without obstructions.

Accepted Answer

crystal face

Question 14

__________ __________ is the weight of a substance relative to that of an equal volume of water.

Accepted Answer

The answer of __________ __________ is the weight of a...

Question 15

An element cannot be broken into smaller substances by ordinary chemical processes.

Accepted Answer

A) True 
 B)False

Question 16

The basic unit of all silicates is the __________.

Accepted Answer

A)   oxygen chamber
B)   silicate triangle
C)   silicate chain
D)   silicate tetrahedronE) None of the above
F) A) and B)

Question 17

Which of the following describes a crystal?

Accepted Answer

A)   a substance whose atoms are arranged irregularly
B)   a substance whose atoms are arranged in a regular, orderly, periodically repeated pattern
C)   any pure substance
D)   any solid containing randomly oriented sodium and chlorine ionsE) C) and D)
F) B) and D)

Question 18

Ninety-two percent of the Earth's crust is composed of __________ minerals.

Accepted Answer

The answer of Ninety-two percent of the Earth's crust is...

Question 19

Feldspar is a __________ mineral.

Accepted Answer

A)   silicate
B)   clay
C)   oxide
D)   carbonateE) A) and D)
F) C) and D)

Question 20

A mineral that is valued for its beauty rather than for industrial use is a/an __________.

Accepted Answer

A)   accessory mineral
B)   ore mineral
C)   gem
D)   rock-forming mineralE) All of the above
F) B) and C)

Exam 2: Minerals

Which one of the following is not a mineral?

Correct AnswerverifiedShow Answer

Only eight elements-oxygen, silicon, aluminum, iron, calcium, magnesium, potassium, and sodium-make up more than 98 percent of the Earth's crust.

Correct AnswerverifiedShow Answer

Which of the following best describes an element?

Correct AnswerverifiedShow Answer

Minerals are classified according to their:

Correct AnswerverifiedShow Answer

Cleavage is the tendency of some minerals to break along flat surfaces.

Correct AnswerverifiedShow Answer

Halite (table salt) is composed of __________.

Correct AnswerverifiedShow Answer

Minerals whose chemical elements include carbon and oxygen as a major part of their chemical composition are called __________.

Correct AnswerverifiedShow Answer

Copper, lead, and zinc commonly form:

Correct AnswerverifiedC

It is not necessary for a substance to be a solid to be a mineral.

Correct AnswerverifiedShow Answer

A substance in which atoms are arranged without a regular, orderly, periodically repeated pattern is called a crystal.

Correct AnswerverifiedShow Answer

A positively charged ion is a __________.

Correct Answerverifiedcation

Radon forms by the radioactive decay of __________.

Correct AnswerverifiedShow Answer

A/an __________ __________ is a planar surface that develops if a crystal grows freely without obstructions.

Correct Answerverifiedcrystal face

__________ __________ is the weight of a substance relative to that of an equal volume of water.

Correct AnswerverifiedShow Answer

An element cannot be broken into smaller substances by ordinary chemical processes.

Correct AnswerverifiedShow Answer

The basic unit of all silicates is the __________.

Correct AnswerverifiedShow Answer

Which of the following describes a crystal?

Correct AnswerverifiedShow Answer

Ninety-two percent of the Earth's crust is composed of __________ minerals.

Correct AnswerverifiedShow Answer

Feldspar is a __________ mineral.

Correct AnswerverifiedShow Answer

A mineral that is valued for its beauty rather than for industrial use is a/an __________.

Correct AnswerverifiedShow Answer

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C

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cation

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A/an is a planar surface that develops if a crystal grows freely without obstructions.

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crystal face

is the weight of a substance relative to that of an equal volume of water.

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