Question 1

Which of the following minerals has the best cleavage?

Accepted Answer

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

Question 2

What will be the charge of an atom containing eight protons,nine neutrons,and 10 electrons?

Accepted Answer

A) −2 
B) −1 
C) +1 
D) +2 
A) −2 
B) −1 
C) +1 
D) +2

Question 3

Carbon has an atomic number of 6 and an atomic weight of 12.011.This means that carbon atoms have

Accepted Answer

A) six protons and 12.011 neutrons. 
B) six neutrons and 12.011 protons. 
C) six protons and a density of 12.011 grams per cubic centimeter. 
D) six protons and varying numbers of neutrons. 
A) six protons and 12.011 neutrons. 
B) six neutrons and 12.011 protons. 
C) six protons and a density of 12.011 grams per cubic centimeter. 
D) six protons and varying numbers of neutrons.

Question 4

_________ and __________ are examples of polymorphs.

Accepted Answer

A) Quartz; feldspar 
B) Diamond; graphite 
C) Biotite; mica 
D) Pyroxene; amphibole 
A) Quartz; feldspar 
B) Diamond; graphite 
C) Biotite; mica 
D) Pyroxene; amphibole

Question 5

Isotopes of a given element have

Accepted Answer

A) the same number of protons and the same atomic mass. 
B) the same number of protons but different atomic masses. 
C) different numbers of protons but the same atomic mass. 
D) different numbers of protons and different atomic masses. 
A) the same number of protons and the same atomic mass. 
B) the same number of protons but different atomic masses. 
C) different numbers of protons but the same atomic mass. 
D) different numbers of protons and different atomic masses.

Question 6

Which of the following minerals is a framework silicate?

Accepted Answer

A) quartz 
B) orthoclase feldspar 
C) plagioclase feldspar 
D) They are all framework silicates. 
A) quartz 
B) orthoclase feldspar 
C) plagioclase feldspar 
D) They are all framework silicates.

Question 7

Ore deposits that are formed when minerals are concentrated by the mechanical sorting action of river currents are called _________ deposits.

Accepted Answer

A) hydrothermal 
B) placer 
C) pegmatites 
D) igneous ore 
A) hydrothermal 
B) placer 
C) pegmatites 
D) igneous ore

Question 8

Which of the following statements about graphite and diamond is false?

Accepted Answer

A) Graphite and diamond have the same density. 
B) Graphite and diamond have different mineral structures. 
C) Graphite and diamond are both made of carbon atoms. 
D) Graphite is stable in Earth's crust,whereas diamond is stable in Earth's mantle. 
A) Graphite and diamond have the same density. 
B) Graphite and diamond have different mineral structures. 
C) Graphite and diamond are both made of carbon atoms. 
D) Graphite is stable in Earth's crust,whereas diamond is stable in Earth's mantle.

Question 9

The concept that identifies that the three basic groups of rocks are all related is called

Accepted Answer

A) the rock cycle. 
B) the igneous cycle. 
C) the lithification cycle. 
D) the geodynamo. 
A) the rock cycle. 
B) the igneous cycle. 
C) the lithification cycle. 
D) the geodynamo.

Question 10

The sulfate mineral found on the surface of Mars that supports the presence of liquid water is called

Accepted Answer

A) jarosite. 
B) hematite. 
C) pyrite. 
D) goethite. 
A) jarosite. 
B) hematite. 
C) pyrite. 
D) goethite.

Question 11

How many of the oxygen atoms in the silicate tetrahedron are shared in framework silicates?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 12

What is the term for atoms of the same element that have different numbers of neutrons?

Accepted Answer

A) electrons 
B) ions 
C) isotopes 
D) polymorphs 
A) electrons 
B) ions 
C) isotopes 
D) polymorphs

Question 13

In identical mineral structures,cations of similar sizes often substitute for each other.Based on size similarities which of the following pairs would you expect to substitute with most ease?

Accepted Answer

A) Na+ and K+ 
B) Ca+ and Mg+2 
C) Si+4 and K+  
D) Mg+2 and Fe+2 
A) Na+ and K+ 
B) Ca+ and Mg+2 
C) Si+4 and K+  
D) Mg+2 and Fe+2

Question 14

Which of the following elements tends to share electrons?

Accepted Answer

A) carbon 
B) helium 
C) oxygen 
D) sodium 
A) carbon 
B) helium 
C) oxygen 
D) sodium

Question 15

What form of iron is the chief iron ore?

Accepted Answer

A) iron carbonate 
B) iron oxide 
C) iron sulfide 
D) native iron metal 
A) iron carbonate 
B) iron oxide 
C) iron sulfide 
D) native iron metal

Question 16

Solid materials that do not possess an orderly arrangement of atoms are called

Accepted Answer

A) glasses. 
B) minerals. 
C) crystals. 
D) polymorphs. 
A) glasses. 
B) minerals. 
C) crystals. 
D) polymorphs.

Question 17

The atomic mass of an element is equal to the number of

Accepted Answer

A) protons. 
B) protons plus neutrons. 
C) neutrons. 
D) protons plus neutrons plus electrons. 
A) protons. 
B) protons plus neutrons. 
C) neutrons. 
D) protons plus neutrons plus electrons.

Question 18

The two most common elements in Earth's crust are

Accepted Answer

A) calcium and carbon. 
B) iron and sulfur. 
C) chlorine and sodium. 
D) oxygen and silicon. 
A) calcium and carbon. 
B) iron and sulfur. 
C) chlorine and sodium. 
D) oxygen and silicon.

Question 19

Which of the following minerals fizzes when it comes in contact with hydrochloric acid (HCl)?

Accepted Answer

A) calcite 
B) halite 
C) mica 
D) quartz 
A) calcite 
B) halite 
C) mica 
D) quartz

Question 20

If a mineral is allowed to grow without space impediments,then it will develop

Accepted Answer

A) crystal faces. 
B) polymorphs. 
C) cleavage planes. 
D) ionic bonds. 
A) crystal faces. 
B) polymorphs. 
C) cleavage planes. 
D) ionic bonds.

Exam 3: Earth Materials: Minerals and Rocks

Which of the following minerals has the best cleavage?

What will be the charge of an atom containing eight protons,nine neutrons,and 10 electrons?

Carbon has an atomic number of 6 and an atomic weight of 12.011.This means that carbon atoms have

_________ and __________ are examples of polymorphs.

Isotopes of a given element have

Which of the following minerals is a framework silicate?

Ore deposits that are formed when minerals are concentrated by the mechanical sorting action of river currents are called _________ deposits.

Which of the following statements about graphite and diamond is false?

The concept that identifies that the three basic groups of rocks are all related is called

The sulfate mineral found on the surface of Mars that supports the presence of liquid water is called

How many of the oxygen atoms in the silicate tetrahedron are shared in framework silicates?

What is the term for atoms of the same element that have different numbers of neutrons?

In identical mineral structures,cations of similar sizes often substitute for each other.Based on size similarities which of the following pairs would you expect to substitute with most ease?

Which of the following elements tends to share electrons?

What form of iron is the chief iron ore?

Solid materials that do not possess an orderly arrangement of atoms are called

The atomic mass of an element is equal to the number of

The two most common elements in Earth's crust are

Which of the following minerals fizzes when it comes in contact with hydrochloric acid (HCl)?

If a mineral is allowed to grow without space impediments,then it will develop

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

_ and __ are examples of polymorphs.