Question 1

Which of the following is correct concerning glass?

Accepted Answer

A) It has a defined,three-dimensional structure. 
B) It is always clear. 
C) It has an amorphous structure. 
D) It is usually opaque. 
E) It is a non-ionic solid. 
A) It has a defined,three-dimensional structure. 
B) It is always clear. 
C) It has an amorphous structure. 
D) It is usually opaque. 
E) It is a non-ionic solid.

Question 2

How is boron nitride formed?

Accepted Answer

A) Boron is heated gently in ammonia. 
B) Boron is heated to white heat in ammonia. 
C) Boron is heated gently in elemental nitrogen. 
D) Boron is heated to white heat in elemental nitrogen. 
E) None of the above; boron nitride is naturally occuring. 
A) Boron is heated gently in ammonia. 
B) Boron is heated to white heat in ammonia. 
C) Boron is heated gently in elemental nitrogen. 
D) Boron is heated to white heat in elemental nitrogen. 
E) None of the above; boron nitride is naturally occuring.

Question 3

How is boron nitride related to graphite?

Accepted Answer

A) It has the same melting point.  
B) Both are molecular solids.  
C) Both have octagonal planes of atoms.  
D) It is isoelectronic.  
E) There is no direct relationship.  
A) It has the same melting point.  
B) Both are molecular solids.  
C) Both have octagonal planes of atoms.  
D) It is isoelectronic.  
E) There is no direct relationship.

Question 4

Metals are more malleable than other solids because:

Accepted Answer

A) Groups of atoms do not respond to a blow. 
B) When groups of electrons move in response to a blow,the cation array follows them. 
C) When groups of atoms move in response to a blow,the electron sea follows them. 
D) They are made of more than one type of atom. 
E) Metals are not more malleable than other solids. 
A) Groups of atoms do not respond to a blow. 
B) When groups of electrons move in response to a blow,the cation array follows them. 
C) When groups of atoms move in response to a blow,the electron sea follows them. 
D) They are made of more than one type of atom. 
E) Metals are not more malleable than other solids.

Question 5

Steel is often produced through what is called the basic oxygen process.

Accepted Answer

A) True 
 B)False

Question 6

Silicon carbide,SiC,is what type of material?

Accepted Answer

A) An ionic compound. 
B) A covalent boride.  
C) An allotrope of carbon.  
D) A molecular solid.  
E) A covalent carbide.  
A) An ionic compound. 
B) A covalent boride.  
C) An allotrope of carbon.  
D) A molecular solid.  
E) A covalent carbide.

Question 7

What is present in an aluminosilicate?

Accepted Answer

A) Al,S,and O  
B) Al and Si  
C) Al,Si,and S 
D) Al,a metal,and O  
E) Al,Si,and O  
A) Al,S,and O  
B) Al and Si  
C) Al,Si,and S 
D) Al,a metal,and O  
E) Al,Si,and O

Question 8

A metal sample can be considered a sea of __________________ (protons,electrons,neutrons)in an array of cations.

Accepted Answer

The answer of A metal sample can be considered a...

Question 9

What do chalk,marble,and limestone all have in common?

Accepted Answer

A) They are all common terms for the same silicon-based mineral. 
B) They are all silicates. 
C) They are all non-crystalline. 
D) They are all calcium carbonate. 
E) Nothing. 
A) They are all common terms for the same silicon-based mineral. 
B) They are all silicates. 
C) They are all non-crystalline. 
D) They are all calcium carbonate. 
E) Nothing.

Question 10

What are clays?

Accepted Answer

A) Aluminosilicates.  
B) Types of cement.  
C) Types of concrete.  
D) Limestone.  
E) Portland cement.  
A) Aluminosilicates.  
B) Types of cement.  
C) Types of concrete.  
D) Limestone.  
E) Portland cement.

Question 11

How is steel defined?

Accepted Answer

A) A heterogeneous iron alloy with up to 2% carbon. 
B) A homogeneous iron alloy with up to 2% carbon. 
C) Any heterogeneous alloy with up to 2% carbon. 
D) Any homogeneous alloy with up to 2% carbon. 
E) Any iron,carbon alloy with a low melting point. 
A) A heterogeneous iron alloy with up to 2% carbon. 
B) A homogeneous iron alloy with up to 2% carbon. 
C) Any heterogeneous alloy with up to 2% carbon. 
D) Any homogeneous alloy with up to 2% carbon. 
E) Any iron,carbon alloy with a low melting point.

Question 12

How does an alloy's electrical and thermal conductivity compare to that of one of its pure elements?

Accepted Answer

A) There is generally no change. 
B) They are higher. 
C) They are lower. 
D) Electrical is lower,thermal is higher. 
E) Electrical is higher,thermal is lower. 
A) There is generally no change. 
B) They are higher. 
C) They are lower. 
D) Electrical is lower,thermal is higher. 
E) Electrical is higher,thermal is lower.

Question 13

How do alloys solidify and melt?

Accepted Answer

A) At precise temperatures. 
B) Over a range of temperatures. 
C) At high temperatures. 
D) At very low temperatures.  
E) At absolute temperatures. 
A) At precise temperatures. 
B) Over a range of temperatures. 
C) At high temperatures. 
D) At very low temperatures.  
E) At absolute temperatures.

Question 14

Where is the tensile strength of carbon nano-tubes the greatest?

Accepted Answer

A) At either end of the tube. 
B) Across the diameter of the tube. 
C) Parallel to the axis of the tube. 
D) In the center of any tube. 
E) Where one tube abuts another. 
A) At either end of the tube. 
B) Across the diameter of the tube. 
C) Parallel to the axis of the tube. 
D) In the center of any tube. 
E) Where one tube abuts another.

Question 15

What improves the corrosion resistance of brass?

Accepted Answer

A) Antimony. 
B) Arsenic. 
C) Tin. 
D) None of the above. 
E) All of the above. 
A) Antimony. 
B) Arsenic. 
C) Tin. 
D) None of the above. 
E) All of the above.

Question 16

Atom arrangements that move relative to one another along set two-dimensional surfaces are called what?

Accepted Answer

The answer of Atom arrangements that move relative to one...

Question 17

Malleability refers to a metal's ability to be hammered into a specific shape.

Accepted Answer

A) True 
 B)False

Question 18

Which statement about a semi-conductor is correct?

Accepted Answer

A) When it conducts,its resistance is extremely high. 
B) When it conducts,it does so with 0 resistance. 
C) Its resistance increases as the temperature increases. 
D) Its resistance decreases as the temperature increases. 
A) When it conducts,its resistance is extremely high. 
B) When it conducts,it does so with 0 resistance. 
C) Its resistance increases as the temperature increases. 
D) Its resistance decreases as the temperature increases.

Question 19

Which of the following have been shown to superconduct?

Accepted Answer

A) Various non-metal oxides. 
B) Some ceramic oxides. 
C) Metals at low temperatures. 
D) Both A and B,above. 
E) Both B and C,above. 
A) Various non-metal oxides. 
B) Some ceramic oxides. 
C) Metals at low temperatures. 
D) Both A and B,above. 
E) Both B and C,above.

Question 20

In solution based methods of nano-material fabrication,what keeps crystals from growing too large?

Accepted Answer

A) The temperature at which the crystals are grown. 
B) The presence of other crystals. 
C) Ionic stabilizers. 
D) Surfactant stabilizers. 
E) Intermolecular forces between crystals. 
A) The temperature at which the crystals are grown. 
B) The presence of other crystals. 
C) Ionic stabilizers. 
D) Surfactant stabilizers. 
E) Intermolecular forces between crystals.

Which of the following is correct concerning glass?

How is boron nitride formed?

How is boron nitride related to graphite?

Metals are more malleable than other solids because:

Steel is often produced through what is called the basic oxygen process.

Silicon carbide,SiC,is what type of material?

What is present in an aluminosilicate?

A metal sample can be considered a sea of __________________ (protons,electrons,neutrons)in an array of cations.

What do chalk,marble,and limestone all have in common?

What are clays?

How is steel defined?

How does an alloy's electrical and thermal conductivity compare to that of one of its pure elements?

How do alloys solidify and melt?

Where is the tensile strength of carbon nano-tubes the greatest?

What improves the corrosion resistance of brass?

Atom arrangements that move relative to one another along set two-dimensional surfaces are called what?

Malleability refers to a metal's ability to be hammered into a specific shape.

Which statement about a semi-conductor is correct?

Which of the following have been shown to superconduct?

In solution based methods of nano-material fabrication,what keeps crystals from growing too large?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

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Exam 7: Inorganic Materials

Which of the following is correct concerning glass?

How is boron nitride formed?

How is boron nitride related to graphite?

Metals are more malleable than other solids because:

Steel is often produced through what is called the basic oxygen process.

Silicon carbide,SiC,is what type of material?

What is present in an aluminosilicate?

A metal sample can be considered a sea of __________________ (protons,electrons,neutrons)in an array of cations.

What do chalk,marble,and limestone all have in common?

What are clays?

How is steel defined?

How does an alloy's electrical and thermal conductivity compare to that of one of its pure elements?

How do alloys solidify and melt?

Where is the tensile strength of carbon nano-tubes the greatest?

What improves the corrosion resistance of brass?

Atom arrangements that move relative to one another along set two-dimensional surfaces are called what?

Malleability refers to a metal's ability to be hammered into a specific shape.

Which statement about a semi-conductor is correct?

Which of the following have been shown to superconduct?

In solution based methods of nano-material fabrication,what keeps crystals from growing too large?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters