Question 1

Diamond and quartz are both minerals composed of a single element.

Accepted Answer

A) True 
 B)False

Question 2

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Accepted Answer

A)   hardness 
B)   streak 
C)   luster 
D)   cleavageE) None of the above
F) A) and B)

Question 3

The micas, biotite and muscovite, both exhibit one direction of cleavage.

Accepted Answer

A) True 
 B)False  True

Question 4

What molecule is illustrated in the diagram below?

Accepted Answer

silicon-ox...

Question 5

The ion at the center of a silicon-oxygen tetrahedron is surrounded by ________.

Accepted Answer

A)   four oxygen ions
B)   six oxygen ions
C)   four sodium ions
D)   six sodium ionsE) A) and D)
F) B) and C)

Question 6

What mineral is the hardest known substance in nature?

Accepted Answer

A)   silicate
B)   native gold
C)   diamond
D)   muscoviteE) B) and C)
F) A) and B)

Question 7

Label the various parts of an atom in the diagram below.

Accepted Answer

The answer of Label the various parts of an atom...

Question 8

Electrically neutral atoms have equal numbers of electrons and protons.

Accepted Answer

A) True 
 B)False

Question 9

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Accepted Answer

A)   oxygen 
B)   sulfur 
C)   aluminum 
D)   ironE) All of the above
F) B) and C)

Question 10

An aggregate of two or more minerals is called a(n) ________.

Accepted Answer

The answer of An aggregate of two or more minerals...

Question 11

Which of the following describes the light reflecting and transmission characteristics of a mineral?

Accepted Answer

A)   luster
B)   color streak
C)   virtual absorption
D)   fluorescenceE) None of the above
F) B) and D)

Question 12

Most glasses and some minerals exhibit a type of fracture characterized by nested and curved crack surfaces. What term describes this property?

Accepted Answer

conchoidal

Question 13

Which carbonate mineral reacts readily with cool, dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas?

Accepted Answer

A)   calcite
B)   quartz
C)   gypsum
D)   plagioclaseE) None of the above
F) B) and C)

Question 14

More than 100 elements are currently known.

Accepted Answer

A) True 
 B)False  True

Question 15

Nearly 4000 minerals have been named.

Accepted Answer

A) True 
 B)False

Question 16

Why are most rock-forming minerals silicates? Also, considering the composition of Earth's crust, do all of the nonsilicate mineral groups make sense chemically? Why or why not?

Accepted Answer

Most rock-forming minerals are silicates...

Question 17

Which common mineral is composed entirely of silicon and oxygen?

Accepted Answer

A)   calcite
B)   diamond
C)   olivine
D)   quartzE) B) and C)
F) B) and D)

Question 18

Which of the following has the highest specific gravity?

Accepted Answer

A)   wood
B)   water
C)   gold
D)   quartzE) All of the above
F) A) and B)

Question 19

Which one of the following is NOT true for minerals?

Accepted Answer

A)   They have a specific, internal, crystalline structure.
B)   They can be a liquid, solid, or glass.
C)   They have a specific, predictable chemical composition.
D)   They can be identified by characteristic physical properties.E) A) and B)
F) A) and D)

Question 20

Which of the following best defines a mineral and a rock?

Accepted Answer

A)   A rock has an orderly, repetitive, geometrical, internal arrangement of minerals; a mineral is a lithified or consolidated aggregate of rocks.
B)   A mineral consists of its constituent atoms arranged in a geometrically repetitive structure; in a rock, the atoms are randomly bonded without any geometric pattern.
C)   In a mineral the constituent atoms are bonded in a regular, repetitive, internal structure; a rock is a lithified or consolidated aggregate of different mineral grains.
D)   A rock consists of atoms bonded in a regular, geometrically predictable arrangement; a mineral is a consolidated aggregate of different rock particles.E) B) and C)
F) All of the above

Exam 2: Minerals: Building Blocks of Rocks

Diamond and quartz are both minerals composed of a single element.

Correct AnswerverifiedShow Answer

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Correct AnswerverifiedShow Answer

The micas, biotite and muscovite, both exhibit one direction of cleavage.

Correct AnswerverifiedTrue

What molecule is illustrated in the diagram below?

Correct Answerverifiedsilicon-ox...View AnswerShow Answer

The ion at the center of a silicon-oxygen tetrahedron is surrounded by ________.

Correct AnswerverifiedShow Answer

What mineral is the hardest known substance in nature?

Correct AnswerverifiedShow Answer

Label the various parts of an atom in the diagram below.

Correct AnswerverifiedShow Answer

Electrically neutral atoms have equal numbers of electrons and protons.

Correct AnswerverifiedShow Answer

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Correct AnswerverifiedShow Answer

An aggregate of two or more minerals is called a(n) ________.

Correct AnswerverifiedShow Answer

Which of the following describes the light reflecting and transmission characteristics of a mineral?

Correct AnswerverifiedShow Answer

Most glasses and some minerals exhibit a type of fracture characterized by nested and curved crack surfaces. What term describes this property?

Correct Answerverifiedconchoidal

Which carbonate mineral reacts readily with cool, dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas?

Correct AnswerverifiedShow Answer

More than 100 elements are currently known.

Correct AnswerverifiedTrue

Nearly 4000 minerals have been named.

Correct AnswerverifiedShow Answer

Why are most rock-forming minerals silicates? Also, considering the composition of Earth's crust, do all of the nonsilicate mineral groups make sense chemically? Why or why not?

Correct AnswerAnswered by ExamLex AIMost rock-forming minerals are silicates...View AnswerShow Answer

Which common mineral is composed entirely of silicon and oxygen?

Correct AnswerverifiedShow Answer

Which of the following has the highest specific gravity?

Correct AnswerverifiedShow Answer

Which one of the following is NOT true for minerals?

Correct AnswerverifiedShow Answer

Which of the following best defines a mineral and a rock?

Correct AnswerverifiedShow Answer

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True

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silicon-ox...
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conchoidal

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True

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Answered by ExamLex AI
Most rock-forming minerals are silicates...
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