Question 1

When treated with hydrochloric acid, powdered carbonate minerals release bubbles as a fizz of odorless carbon dioxide.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following best characterizes ferromagnesian silicates?

Accepted Answer

A)  They contain iron and magnetite, are black in colour, and they have metallic lustres.
B)  They are high temperature black to dark-green minerals containing iron and magnesium.
C)  They are mostly dark, heavy, and rich in the elements manganese and ferron.
D)  They are dark and have a Mohs hardness greater than 7.E) B) and C)
F) None of the above

Question 3

Rocks are aggregates of one or more what?

Accepted Answer

The answer of Rocks are aggregates of one or more...

Question 4

Which of the following minerals is in the mineral group known as mica?

Accepted Answer

A)  orthoclase
B)  muscovite
C)  augite
D)  olivineE) All of the above
F) A) and B)

Question 5

Small, parallel grooves (twinning striations) are visible on cleavage surfaces and characteristic of which mineral?

Accepted Answer

A)  olivine
B)  quartz
C)  plagioclase feldspar
D)  hornblendeE) B) and D)
F) A) and B)

Question 6

Calcite and dolomite are both carbonate minerals.

Accepted Answer

A) True 
 B)False

Question 7

Rock-forming silicate minerals have higher specific gravities than water.

Accepted Answer

A) True 
 B)False

Question 8

The external expression of internal atomic arrangement in a mineral is called its crystal habit.

Accepted Answer

A) True 
 B)False

Question 9

Plagioclase feldspars contain significant, variable percentages of which elements?

Accepted Answer

A)  calcium and magnesium
B)  sodium and calcium
C)  sodium and sulphur
D)  iron and magnesiumE) A) and B)
F) None of the above

Question 10

Which one of the following minerals has the greatest hardness on the Mohs hardness scale?

Accepted Answer

A)  feldspar
B)  calcite
C)  gypsum
D)  topazE) B) and C)
F) None of the above

Question 11

Which minerals that make up the Mohs scale are softer than your fingernail?

Accepted Answer

A)  beryl, garnet, tourmaline
B)  calcite, fluorite, apatite
C)  feldspar, quartz, topaz, corundum, diamond
D)  gypsum and talcE) A) and D)
F) A) and C)

Question 12

In ionic compounds, ________ have lost one or more electrons to acquire positive charge and a smaller radius than their neutral atom, while ________ have gained one or more electrons to acquire a negative charge and a larger radius than their neutral atom.

Accepted Answer

A)  anions, cations
B)  cations, anions
C)  daughter isotopes, parent isotopes
D)  stable isotopes, unstable isotopesE) B) and D)
F) All of the above

Question 13

The main use for most diamond, corundum and garnet is ________.

Accepted Answer

A)  fillers in industrial products like paint and pharmaceuticals
B)  gemstones of the semiprecious variety
C)  industrial abrasives
D)  semiconductors for the electronics industryE) A) and B)
F) A) and C)

Question 14

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

Accepted Answer

A)  neutron
B)  selectron
C)  electron
D)  protonE) B) and C)
F) All of the above

Question 15

Ferromagnesian silicate minerals contain some magnesium and/or iron.

Accepted Answer

A) True 
 B)False

Question 16

Which group of minerals are the most abundant in the Earth's crust?

Accepted Answer

A)  sulphides
B)  carbonates
C)  silicates
D)  chloridesE) All of the above
F) C) and D)

Question 17

Aluminum ions have what charge in most rock-forming minerals?

Accepted Answer

A)  3+
B)  4-
C)  2+
D)  4+E) B) and C)
F) All of the above

Question 18

Which of the following minerals is a ferromagnesian silicate?

Accepted Answer

A)  quartz
B)  orthoclase
C)  hornblende
D)  muscoviteE) None of the above
F) B) and D)

Question 19

What are the lightest or least massive of the basic atomic particles?

Accepted Answer

A)  uranium nuclei
B)  protons
C)  electrons
D)  neutronsE) None of the above
F) B) and D)

Question 20

Minerals like diamond and graphite exist because of ________.

Accepted Answer

A)  amorphous crystallization
B)  different physical and chemical conditions or environments within the earth
C)  the law of polymorphism
D)  the metamorphism of coalE) B) and C)
F) None of the above

Exam 2: Minerals: The Building Blocks of Rocks

Which of the following minerals is in the mineral group known as mica?

Correct AnswerverifiedShow Answer

Aluminum ions have what charge in most rock-forming minerals?

Correct AnswerverifiedShow Answer

Rock-forming silicate minerals have higher specific gravities than water.

Correct AnswerverifiedShow Answer

What are the lightest or least massive of the basic atomic particles?

Correct AnswerverifiedShow Answer

Which minerals that make up the Mohs scale are softer than your fingernail?

Correct AnswerverifiedShow Answer

Which of the following best characterizes ferromagnesian silicates?

Correct AnswerverifiedShow Answer

Minerals like diamond and graphite exist because of ________.

Correct AnswerverifiedShow Answer

Small, parallel grooves (twinning striations) are visible on cleavage surfaces and characteristic of which mineral?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Ferromagnesian silicate minerals contain some magnesium and/or iron.

Correct AnswerverifiedShow Answer

Plagioclase feldspars contain significant, variable percentages of which elements?

Correct AnswerverifiedShow Answer

Which group of minerals are the most abundant in the Earth's crust?

Correct AnswerverifiedShow Answer

When treated with hydrochloric acid, powdered carbonate minerals release bubbles as a fizz of odorless carbon dioxide.

Correct AnswerverifiedShow Answer

Calcite and dolomite are both carbonate minerals.

Correct AnswerverifiedShow Answer

The main use for most diamond, corundum and garnet is ________.

Correct AnswerverifiedShow Answer

Which of the following minerals is a ferromagnesian silicate?

Correct AnswerverifiedShow Answer

Which one of the following minerals has the greatest hardness on the Mohs hardness scale?

Correct AnswerverifiedShow Answer

In ionic compounds, ________ have lost one or more electrons to acquire positive charge and a smaller radius than their neutral atom, while ________ have gained one or more electrons to acquire a negative charge and a larger radius than their neutral atom.

Correct AnswerverifiedShow Answer

Rocks are aggregates of one or more what?

Correct AnswerverifiedShow Answer

The external expression of internal atomic arrangement in a mineral is called its crystal habit.

Correct AnswerverifiedShow Answer

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In ionic compounds, have lost one or more electrons to acquire positive charge and a smaller radius than their neutral atom, while have gained one or more electrons to acquire a negative charge and a larger radius than their neutral atom.

Correct Answer
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