Question 1

All atoms of the same element have the same number of ________.

Accepted Answer

A)   neutrons
B)   electrons
C)   protons
D)   mineralsE) B) and D)
F) None of the above

Question 2

The mineral fluorite is commonly _______ .

Accepted Answer

A)   conchoidal
B)   octohedral
C)   sheetlike
D)   cubicalE) None of the above
F) B) and C)

Question 3

Quartz has a characteristic conchoidal fracture, yet rock shops often sell quartz as elongate six sided objects with a pointed termination. What causes this shape?

Accepted Answer

A)   You should never buy a crystal like this because it is clearly fake, only artificial crystals grow this way.
B)   Quartz usually is amorphous, consistent with its conchoidal fracture, but when it grows it grows against minerals with planar faces, causing this shape.
C)   The rock shop cuts them that way with abrasives. The facets are cut to give the crystals more "power" for the crystal people.
D)   The planar faces that form the object are crystal faces that grow when the crystals grew into a void.E) B) and C)
F) A) and D)

Question 4

Talc and graphite are two of the lowest minerals on the hardness scale. They are also described by terms like greasy or soapy. Both have a crystal structure characterized by sheet- structures at the atomic level, yet they don't behave like micas. What accounts for their unusual physical properties?

Accepted Answer

The chemical bonds between the...

Question 5

A brown mineral specimen and a green mineral specimen have identical hardness. This means________ .

Accepted Answer

A)   they may or may not be the same mineral, because hardness is only one indicator of mineral identification
B)   they are definitely the same mineral, due to having the same hardness
C)   they cannot be the same mineral, as they are different colors
D)   hardness would not necessarily be useful here, as only metallic minerals have hardness and they may be nonmetallicE) A) and D)
F) A) and C)

Question 6

An atom with 30 protons, 30 neutrons and 30 electrons has an atomic number of:

Accepted Answer

A)   90
B)   30
C)   60
D)   27,000E) A) and B)
F) B) and D)

Question 7

Clay minerals are light silicates that form __________.

Accepted Answer

A)   from chemical weathering of igneous rocks
B)   from mechanical weathering of any rock
C)   from pressure and heat
D)   from molten rockE) A) and B)
F) A) and C)

Question 8

Which of the following is not a common rock forming mineral but by contrast is always found in living things.

Accepted Answer

A)   iron
B)   potassium
C)   magnesium
D)   carbonE) B) and C)
F) A) and B)

Question 9

Which of the following physical properties is not generally used to identify most minerals?

Accepted Answer

A)   cleavage
B)   smell
C)   hardness
D)   lusterE) B) and D)
F) A) and B)

Question 10

A compound is a stable chemical substance composed of two or more__________ .

Accepted Answer

A)   minerals
B)   atoms
C)   elements
D)   protonsE) A) and D)
F) C) and D)

Question 11

Which the following denotes the positively charged particles in an atom's nucleus?

Accepted Answer

A)   protons
B)   electrons
C)   neutrons
D)   isotronsE) B) and D)
F) C) and D)

Question 12

What physical property denotes the color of a powdered mineral?

Accepted Answer

A)   streak
B)   hardness
C)   luster
D)   cleavageE) A) and B)
F) A) and C)

Question 13

There are people who specialize in "cutting" diamonds, yet diamond is the hardest known substance. From your knowledge of minerals, which of the following describes what the diamond cutter does?

Accepted Answer

Diamond has more than one clea...

Question 14

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

Accepted Answer

A)   NaCl halite. or KCl sylvite.
B)   a sulfide bearing rock which will taste like rotten eggs
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) A) and B)
F) None of the above

Question 15

Quartz forms at____ temperature than olivine.

Accepted Answer

A)   a higher
B)   a much higher
C)   a lower
D)   the sameE) None of the above
F) B) and C)

Question 16

Which of the following is not a fundamental particle found in atoms?

Accepted Answer

A)   electron
B)   neutron
C)   protons
D)   selectronE) All of the above
F) A) and B)

Question 17

Which one of the following mineral groups exhibits a sheet- like silicate structure?

Accepted Answer

A)   carbonates
B)   micas
C)   pyroxenes
D)   feldsparsE) A) and C)
F) B) and C)

Question 18

All minerals have at least ______________ elements..

Accepted Answer

A)   two
B)   ten
C)   one
D)   4000E) B) and D)
F) C) and D)

Question 19

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

Accepted Answer

A)   A rock consists of atoms bonded in a regular, geometrically predictable arrangement; a mineral is a consolidated aggregate of different rock particles.
B)   A rock has an orderly, repetitive, geometrical, internal arrangement of minerals; a mineral is a lithified or consolidated aggregate of rocks.
C)   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.
D)   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.E) A) and C)
F) None of the above

Question 20

The resistance of a mineral to abrasion is known as ____________.

Accepted Answer

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

Exam 2: Matter and Minerals

Clay minerals are light silicates that form __________.

Correct AnswerverifiedShow Answer

Which of the following is not a fundamental particle found in atoms?

Correct AnswerverifiedShow Answer

An atom with 30 protons, 30 neutrons and 30 electrons has an atomic number of:

Correct AnswerverifiedShow Answer

A compound is a stable chemical substance composed of two or more__________ .

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 mineral fluorite is commonly _______ .

Correct AnswerverifiedShow Answer

Which the following denotes the positively charged particles in an atom's nucleus?

Correct AnswerverifiedShow Answer

Which of the following physical properties is not generally used to identify most minerals?

Correct AnswerverifiedShow Answer

Quartz has a characteristic conchoidal fracture, yet rock shops often sell quartz as elongate six sided objects with a pointed termination. What causes this shape?

Correct AnswerverifiedShow Answer

All minerals have at least ______________ elements..

Correct AnswerverifiedShow Answer

Which one of the following mineral groups exhibits a sheet- like silicate structure?

Correct AnswerverifiedShow Answer

All atoms of the same element have the same number of ________.

Correct AnswerverifiedShow Answer

Quartz forms at____ temperature than olivine.

Correct AnswerverifiedShow Answer

What physical property denotes the color of a powdered mineral?

Correct AnswerverifiedShow Answer

The resistance of a mineral to abrasion is known as ____________.

Correct AnswerverifiedShow Answer

There are people who specialize in "cutting" diamonds, yet diamond is the hardest known substance. From your knowledge of minerals, which of the following describes what the diamond cutter does?

Correct AnswerverifiedDiamond has more than one clea...View AnswerShow Answer

A brown mineral specimen and a green mineral specimen have identical hardness. This means________ .

Correct AnswerverifiedShow Answer

Which of the following is not a common rock forming mineral but by contrast is always found in living things.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Talc and graphite are two of the lowest minerals on the hardness scale. They are also described by terms like greasy or soapy. Both have a crystal structure characterized by sheet- structures at the atomic level, yet they don't behave like micas. What accounts for their unusual physical properties?

Correct AnswerverifiedThe chemical bonds between the...View AnswerShow Answer

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Diamond has more than one clea...
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The chemical bonds between the...
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