Question 1

Which is the hardest of the following minerals?

Accepted Answer

A) calcite 
B) corundum 
C) diamond 
D) quartz 
A) calcite 
B) corundum 
C) diamond 
D) quartz

Question 2

If hardness is a measure of the strength of chemical bonds,then which of the following minerals has the weakest bonds?

Accepted Answer

A) talc 
B) mica 
C) diamond 
D) graphite 
A) talc 
B) mica 
C) diamond 
D) graphite

Question 3

When carbonate minerals come in contact with hydrochloric acid (HCl)they often appear to boil and release ____ gas.

Accepted Answer

A) H2O 
B) CO2 
C) O2 
D) SO2 
A) H2O 
B) CO2 
C) O2 
D) SO2

Question 4

Sodium has an atomic number of 11.How many electrons will the sodium ion Na+ have?

Accepted Answer

A) 1 
B) 10 
C) 11 
D) 12 
A) 1 
B) 10 
C) 11 
D) 12

Question 5

Minerals that contain metallic elements that can be recovered profitably are called

Accepted Answer

A) gems. 
B) ore minerals. 
C) hydrothermal minerals. 
D) igneous ore. 
A) gems. 
B) ore minerals. 
C) hydrothermal minerals. 
D) igneous ore.

Question 6

Which mineral or mineral group occurs exclusively in igneous rocks?

Accepted Answer

A) garnet 
B) olivine 
C) feldspar 
D) calcite 
A) garnet 
B) olivine 
C) feldspar 
D) calcite

Question 7

Which minerals are commonly found in igneous,sedimentary,and metamorphic rocks?

Accepted Answer

A) quartz and halite 
B) feldspar and quartz 
C) pyroxene and feldspar 
D) feldspar and calcite 
A) quartz and halite 
B) feldspar and quartz 
C) pyroxene and feldspar 
D) feldspar and calcite

Question 8

Which of the following is not a mineral in the strictest sense of the definition?

Accepted Answer

A) ivory 
B) diamond 
C) ruby 
D) gold 
A) ivory 
B) diamond 
C) ruby 
D) gold

Question 9

Which of the following statements about feldspar is false?

Accepted Answer

A) Feldspar is harder than calcite. 
B) Feldspar is softer than corundum. 
C) Feldspar is the most abundant mineral in the Earth's crust. 
D) Feldspar is a sheet silicate. 
A) Feldspar is harder than calcite. 
B) Feldspar is softer than corundum. 
C) Feldspar is the most abundant mineral in the Earth's crust. 
D) Feldspar is a sheet silicate.

Question 10

What is limestone made of?

Accepted Answer

A) calcite 
B) feldspar 
C) olivine 
D) quartz 
A) calcite 
B) feldspar 
C) olivine 
D) quartz

Question 11

What is the dominant type of bonding in minerals?

Accepted Answer

A) covalent bonding 
B) ionic bonding 
C) metallic bonding 
D) nuclear bonding 
A) covalent bonding 
B) ionic bonding 
C) metallic bonding 
D) nuclear bonding

Question 12

The silica tetrahedra readily bonds with cations when available because

Accepted Answer

A) it has a net positive charge. 
B) it is electrically neutral. 
C) it has a net negative charge. 
D) its internal bonds are very weak. 
A) it has a net positive charge. 
B) it is electrically neutral. 
C) it has a net negative charge. 
D) its internal bonds are very weak.

Question 13

Which of the following statements is true?

Accepted Answer

A) Cations are generally larger than anions. 
B) Cations are generally smaller than anions. 
C) Cations and anions are approximately the same size. 
D) Approximately one-half of the cations are larger than anions and one-half are smaller. 
A) Cations are generally larger than anions. 
B) Cations are generally smaller than anions. 
C) Cations and anions are approximately the same size. 
D) Approximately one-half of the cations are larger than anions and one-half are smaller.

Question 14

Which of the following minerals does not contain carbon?

Accepted Answer

A) calcite 
B) diamond 
C) dolomite 
D) gypsum 
A) calcite 
B) diamond 
C) dolomite 
D) gypsum

Question 15

Which mineral or mineral group occurs exclusively in sedimentary rocks?

Accepted Answer

A) clay minerals 
B) feldspar 
C) olivine 
D) garnet 
A) clay minerals 
B) feldspar 
C) olivine 
D) garnet

Question 16

Which of the following minerals is a common clay mineral used for making pottery?

Accepted Answer

A) feldspar 
B) kaolinite 
C) olivine 
D) pyroxene 
A) feldspar 
B) kaolinite 
C) olivine 
D) pyroxene

Question 17

Rocks that form from the solidification of molten rock are called

Accepted Answer

A) metamorphic. 
B) sedimentary. 
C) igneous. 
D) chemical. 
A) metamorphic. 
B) sedimentary. 
C) igneous. 
D) chemical.

Question 18

Which of the following minerals has two good cleavage planes oriented at right angles to each other?

Accepted Answer

A) amphibole 
B) calcite 
C) mica 
D) pyroxene 
A) amphibole 
B) calcite 
C) mica 
D) pyroxene

Question 19

Which of the following substances is not considered a mineral?

Accepted Answer

A) coal 
B) diamond 
C) gypsum 
D) rock salt 
A) coal 
B) diamond 
C) gypsum 
D) rock salt

Question 20

The most common rock-forming minerals in the crust are

Accepted Answer

A) carbonates. 
B) oxides. 
C) silicates. 
D) sulfides. 
A) carbonates. 
B) oxides. 
C) silicates. 
D) sulfides.

Exam 3: Earth Materials: Minerals and Rocks

Which is the hardest of the following minerals?

If hardness is a measure of the strength of chemical bonds,then which of the following minerals has the weakest bonds?

When carbonate minerals come in contact with hydrochloric acid (HCl)they often appear to boil and release ____ gas.

Sodium has an atomic number of 11.How many electrons will the sodium ion Na+ have?

Minerals that contain metallic elements that can be recovered profitably are called

Which mineral or mineral group occurs exclusively in igneous rocks?

Which minerals are commonly found in igneous,sedimentary,and metamorphic rocks?

Which of the following is not a mineral in the strictest sense of the definition?

Which of the following statements about feldspar is false?

What is limestone made of?

What is the dominant type of bonding in minerals?

The silica tetrahedra readily bonds with cations when available because

Which of the following statements is true?

Which of the following minerals does not contain carbon?

Which mineral or mineral group occurs exclusively in sedimentary rocks?

Which of the following minerals is a common clay mineral used for making pottery?

Rocks that form from the solidification of molten rock are called

Which of the following minerals has two good cleavage planes oriented at right angles to each other?

Which of the following substances is not considered a mineral?

The most common rock-forming minerals in the crust are

The Earth System

Plate Tectonics: The Unifying Theory

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Geobiology: Life Interacts With Earth

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

Filters

Sodium has an atomic number of 11.How many electrons will the sodium ion Na⁺ have?