Question 1

Discuss how carbon atoms come together to form diamonds.

Accepted Answer

The electron shells of adjacent carbon atoms overlap,and they share electrons.This is called covalent bonding.A carbon atom in a diamond shares all four of its outer electrons with a neighbor.

Question 2

Some naturally-occurring minerals have healing properties.

Accepted Answer

A) True 
 B)False  False

Question 3

What is a simple chemical test that will distinguish calcite from non-carbonate minerals?

Accepted Answer

Calcite will effervesce in hydrochloric acid; the others will not.

Question 4

Give an example of a native element.

Accepted Answer

gold/silve

Question 5

____________________ and ____________________ are mineral compounds which are commonly produced by animals and are known as calcium ____________________.

Accepted Answer

Calcite,ar

Question 6

An example of a material which has been both a resource and a reserve,depending on abundance,economic conditions,and mining technology is which of the following?

Accepted Answer

A)  platinum 
B)  gold 
C)  petroleum 
D)  iron 
E)  all of these 
A)  platinum 
B)  gold 
C)  petroleum 
D)  iron 
E)  all of these

Question 7

Elements bond together to form molecules because ____.

Accepted Answer

A)  they are most stable when their outer electron shell is filled 
B)  they need to have a positive charge 
C)  they need to have a negative charge 
D)  they are glued together by positrons 
E)  none of these 
A)  they are most stable when their outer electron shell is filled 
B)  they need to have a positive charge 
C)  they need to have a negative charge 
D)  they are glued together by positrons 
E)  none of these

Question 8

The number of neutrons in an atom always equals the number of protons.

Accepted Answer

A) True 
 B)False

Question 9

What is the most distinctive physical property of the mineral halite?

Accepted Answer

The answer of What is the most distinctive physical property...

Question 10

Name one property commonly exhibited by minerals that have Van der Waals' bonding.

Accepted Answer

Flakiness,

Question 11

Covalent bonds differ from ionic bonds in that ____.

Accepted Answer

A)  ionic bonds arise from electrical attraction between positively and negatively charged ions 
B)  covalent bonds arise from the sharing of one or more electrons 
C)  covalent bonds can occur between atoms of the same element 
D)  ionic bonds arise from electrical attraction between positively and negatively charged ions AND covalent bonds arise from the sharing of one or more electrons 
E)  all of these 
A)  ionic bonds arise from electrical attraction between positively and negatively charged ions 
B)  covalent bonds arise from the sharing of one or more electrons 
C)  covalent bonds can occur between atoms of the same element 
D)  ionic bonds arise from electrical attraction between positively and negatively charged ions AND covalent bonds arise from the sharing of one or more electrons 
E)  all of these

Question 12

The United States is totally dependent on imports of some resources.Some of these imports come from politically unstable parts of the world.What choices are there for resolving this problem?

Accepted Answer

Answers will vary.The U.S.could try to f

Question 13

Give an example of a rock that is composed of only one mineral.

Accepted Answer

Examples include lim

Question 14

Common examples of sulfide and sulfate minerals,respectively,are ____.

Accepted Answer

A)  galena and pyrite 
B)  gypsum and anhydrite 
C)  galena and gypsum 
D)  galena and hematite 
E)  fluorite and pyrite 
A)  galena and pyrite 
B)  gypsum and anhydrite 
C)  galena and gypsum 
D)  galena and hematite 
E)  fluorite and pyrite

Question 15

Minerals may have chemical compositions that vary within a range.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following are all examples of minerals?

Accepted Answer

A)  bronze, steel, glass, aluminum, pencil lead 
B)  gold, silver, uranium, lead, silica, iron 
C)  copper, ice, quartz, topaz, diamond, corundum 
D)  water, mercury, metallic hydrogen, limestone 
E)  petroleum, coal, iron, feldspar, basalt 
A)  bronze, steel, glass, aluminum, pencil lead 
B)  gold, silver, uranium, lead, silica, iron 
C)  copper, ice, quartz, topaz, diamond, corundum 
D)  water, mercury, metallic hydrogen, limestone 
E)  petroleum, coal, iron, feldspar, basalt

Question 17

The United States is self-sufficient in petroleum.

Accepted Answer

A) True 
 B)False

Question 18

The two basic types of luster are ____________________ and ____________________.

Accepted Answer

metallic,n

Question 19

What is an atom?

Accepted Answer

A)  a negatively charged particle that circles a nucleus 
B)  a positively charged particle within a nucleus 
C)  the smallest particle into which an element can be divided while still retaining the chemical characteristics of that element 
D)  a combination of elements 
E)  a negatively charged particle that orbits the nucleus 
A)  a negatively charged particle that circles a nucleus 
B)  a positively charged particle within a nucleus 
C)  the smallest particle into which an element can be divided while still retaining the chemical characteristics of that element 
D)  a combination of elements 
E)  a negatively charged particle that orbits the nucleus

Question 20

The number of electrons in an atom of an element is always equal to the number of ____________________.

Accepted Answer

The answer of The number of electrons in an atom...

Exam 3: Minerals The Building Blocks of Rocks

Discuss how carbon atoms come together to form diamonds.

Some naturally-occurring minerals have healing properties.

What is a simple chemical test that will distinguish calcite from non-carbonate minerals?

Give an example of a native element.

____________________ and ____________________ are mineral compounds which are commonly produced by animals and are known as calcium ____________________.

An example of a material which has been both a resource and a reserve,depending on abundance,economic conditions,and mining technology is which of the following?

Elements bond together to form molecules because ____.

The number of neutrons in an atom always equals the number of protons.

What is the most distinctive physical property of the mineral halite?

Name one property commonly exhibited by minerals that have Van der Waals' bonding.

Covalent bonds differ from ionic bonds in that ____.

The United States is totally dependent on imports of some resources.Some of these imports come from politically unstable parts of the world.What choices are there for resolving this problem?

Give an example of a rock that is composed of only one mineral.

Common examples of sulfide and sulfate minerals,respectively,are ____.

Minerals may have chemical compositions that vary within a range.

Which of the following are all examples of minerals?

The United States is self-sufficient in petroleum.

The two basic types of luster are ____________________ and ____________________.

What is an atom?

The number of electrons in an atom of an element is always equal to the number of ____________________.

Understanding Earth: A Dynamic and Evolving Planet

Plate Tectonics: A Unifying Theory

Igneous Rocks and Plutons

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earth's Interior

Deformation,Mountain Building,and Earth's Crust

Mass Wasting

Running Water Streams and Rivers

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Organic Evolution The Theory and Its Supporting Evidence

Precambrian Earth and Life History

Paleozoic Earth History

Paleozoic Life History

Mesozoic Earth and Life History

Cenozoic Earth and Life History

Geology in Perspective

Filters

and are mineral compounds which are commonly produced by animals and are known as calcium .

The two basic types of luster are and .