Question 1

Rocks are aggregates of minerals.

Accepted Answer

A) True 
 B)False

Question 2

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) B) and C)
F) A) and D)

Question 3

The most unreliable (variable) diagnostic property of minerals such as quartz is ________.

Accepted Answer

A)  hardness
B)  habit
C)  specific gravity
D)  colorE) B) and D)
F) A) and D)

Question 4

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.
-oxygen sulfur aluminum iron

Accepted Answer

The answer of Examine the words and/or phrases for each...

Question 5

Cleavage is related to the internal structure of a mineral.

Accepted Answer

A) True 
 B)False  True

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

In the silicon-oxygen tetrahedron,there are more silicon atoms than oxygen atoms.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is not a common rock forming mineral?

Accepted Answer

A)  potassium
B)  iron
C)  carbon
D)  magnesiumE) A) and D)
F) None of the above C

Question 9

The bond between sodium (Na) and Chlorine (Cl) to form halite (salt) is a(n) ________ bond.

Accepted Answer

A)  ionic
B)  valent
C)  covalent
D)  metallicE) C) and D)
F) B) and D)

Question 10

Chemical compounds retain most of the characteristics of their constituent elements.

Accepted Answer

A) True 
 B)False

Question 11

A brown mineral specimen and a green mineral specimen have identical hardness; therefore,they are the same mineral,but just happen to be different color

Accepted Answer

A) True 
 B)False

Question 12

Nonmetallic minerals like halite and gypsum have no industrial uses.

Accepted Answer

A) True 
 B)False

Question 13

Element 20,Ca,has what chemical property?

Accepted Answer

A)  It behaves as a metal ion,giving up two electrons to form a +2 ion.
B)  It tends to form covalent bonds and an ion with a charge of +1.
C)  It behaves as a nonmetal,accepting electrons to form an ion with charge -2.
D)  It tends to be inert,and thus is dispersed throughout the crust.E) A) and B)
F) A) and C)

Question 14

Which common mineral is composed entirely of silicon and oxygen?

Accepted Answer

A)  calcite
B)  diamond
C)  olivine
D)  quartzE) A) and C)
F) All of the above

Question 15

Geologists may choose to lick a mineral to identify it.What mineral is the geologist expecting with this test?

Accepted Answer

A)  a sulfide bearing rock which will taste like rotten eggs
B)  NaCl (halite) or KCl (sylvite) 
C)  None,it clears the dust off the sample so he/she can see if more clearly.
D)  None,they are clearing the hydrochloric acid from the sample to rerun a test for calcite.E) C) and D)
F) A) and D)

Question 16

The basic building block of a silicate is composed of ________.

Accepted Answer

A)  1 oxygen and 1 silicon
B)  2 oxygens and 1 silicon
C)  3 oxygens and 1 silicon
D)  4 oxygens and 1 siliconE) All of the above
F) None of the above D

Question 17

Although it is relatively common,limestone is an economically important rock type because its major constituent mineral,________,is used in the production of ________.

Accepted Answer

A)  halite,salt
B)  calcite,calcium
C)  calcite,cement
D)  halite,halogenE) A) and D)
F) C) and D)

Question 18

When a mineral fractures along a cleavage plane,what does this suggest about the crystal structure of the mineral?

Accepted Answer

A)  The atoms are arranged in a simple orderly arrangement with uniform bonding.
B)  The crystal structure contains planes along which chemical bonding is much weaker than other directions.
C)  The crystal grows only planar faces that become weak zones that form cleavage.
D)  The crystal contains warped planes called twin planes that weaken the crystal structure and allow it fracture along a planar surface,causing cleavage.E) B) and D)
F) B) and C)

Question 19

Angles are important when looking at which physical properties of minerals?

Accepted Answer

A)  cleavages
B)  color streaks
C)  bands of different luster
D)  conchoidal fracturesE) None of the above
F) A) and B)

Question 20

Electrons orbit the nucleus of an atom much like planets around the Sun,with inner orbitals fixed and outer orbitals subject to exchange with other atoms to make compounds.

Accepted Answer

A) True 
 B)False

Exam 2: Matter and Minerals

Rocks are aggregates of minerals.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The most unreliable (variable) diagnostic property of minerals such as quartz is ________.

Correct AnswerverifiedShow Answer

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. -oxygen sulfur aluminum iron

Correct AnswerverifiedShow Answer

Cleavage is related to the internal structure of a mineral.

Correct AnswerverifiedTrue

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

Correct AnswerverifiedShow Answer

In the silicon-oxygen tetrahedron,there are more silicon atoms than oxygen atoms.

Correct AnswerverifiedShow Answer

Which of the following is not a common rock forming mineral?

Correct AnswerverifiedC

The bond between sodium (Na) and Chlorine (Cl) to form halite (salt) is a(n) ________ bond.

Correct AnswerverifiedShow Answer

Chemical compounds retain most of the characteristics of their constituent elements.

Correct AnswerverifiedShow Answer

A brown mineral specimen and a green mineral specimen have identical hardness; therefore,they are the same mineral,but just happen to be different color

Correct AnswerverifiedShow Answer

Nonmetallic minerals like halite and gypsum have no industrial uses.

Correct AnswerverifiedShow Answer

Element 20,Ca,has what chemical property?

Correct AnswerverifiedShow Answer

Which common mineral is composed entirely of silicon and oxygen?

Correct AnswerverifiedShow Answer

Geologists may choose to lick a mineral to identify it.What mineral is the geologist expecting with this test?

Correct AnswerverifiedShow Answer

The basic building block of a silicate is composed of ________.

Correct AnswerverifiedD

Although it is relatively common,limestone is an economically important rock type because its major constituent mineral,________,is used in the production of ________.

Correct AnswerverifiedShow Answer

When a mineral fractures along a cleavage plane,what does this suggest about the crystal structure of the mineral?

Correct AnswerverifiedShow Answer

Angles are important when looking at which physical properties of minerals?

Correct AnswerverifiedShow Answer

Electrons orbit the nucleus of an atom much like planets around the Sun,with inner orbitals fixed and outer orbitals subject to exchange with other atoms to make compounds.

Correct AnswerverifiedShow Answer

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True

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C

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D

Although it is relatively common,limestone is an economically important rock type because its major constituent mineral,,is used in the production of .

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