Question 1

Which polymer is a copolymer of a five-carbon sugar, four different bases (adenine, thymine, guanine, and cytosine) , and phosphoric acid?

Accepted Answer

A)   ATP
B)   ADP
C)   Kevlar
D)   DNA
E)   RNAF) B) and E)
G) A) and E)

Question 2

Which one of these choices is the general structural formula of an amino acid?

Accepted Answer

A)   2-NH2 
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >
B)   R-CH2-NH2
C)   2-NH2 
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >
D)   2-NH2 
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >E) A) and B)
F) A) and C)

Question 3

Discuss modern materials used in medical applications.

Accepted Answer

Replacement joints, dental imp...

Question 4

Describe the danger associated with traditional dental fillings.

Accepted Answer

Traditional dental fillings we...

Question 5

What is the name of the C60 molecule that resembles an architectural structure called a geodesic dome?

Accepted Answer

A)   Graphene
B)   Buckminsterfullerene
C)   Geodene
D)   Soccerballene
E)   BuckeneF) B) and D)
G) C) and D)

Question 6

Which element, or combination of elements, could produce a semiconductor with the following band structure? (CB = conduction band, VB = valence band)

Accepted Answer

A)   Pure Si
B)   Si and C
C)   Si and In
D)   Si and Sb
E)   Si and FF) A) and B)
G) None of the above

Question 7

Describe the materials used in joint replacements.

Accepted Answer

Originally the materials were ...

Question 8

The functional group  found in proteins is called a (an)

Accepted Answer

A)   amide.
B)   carboxylic acid.
C)   amine.
D)   amino acid.
E)   dipeptide.F) A) and D)
G) A) and E)

Question 9

When the following two monomers are combined, which condensation polymer is formed?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and B)
G) B) and D)

Question 10

Magnetic levitation is an example of ________ of superconductors below Tc.

Accepted Answer

A)   the Meissner effect
B)   insulation
C)   Oxidation
D)   reduction
E)   the Kamerlingh-Onnes effectF) D) and E)
G) All of the above

Question 11

Which type of polymerization reaction involves the bonding of monomer molecules by the movement of electrons from a multiple bond into new single bonds between molecules?

Accepted Answer

A)   Addition polymerization
B)   Condensation polymerization
C)   Radical polymerization
D)   Crosslinking polymerization
E)   Catalytic polymerizationF) C) and D)
G) B) and D)

Question 12

What does LDPE mean?

Accepted Answer

Low-densit...

Question 13

What are the small molecules that constitute the individual building blocks of polymers called?

Accepted Answer

A)   Prepolymers
B)   Monomers
C)   Copolymers
D)   Mini polymers
E)   None of these choices is correct.F) A) and C)
G) C) and D)

Question 14

Which of these polymers is used in disposable cups and plates?

Accepted Answer

A)   Polystyrene
B)   PVC
C)   Teflon
D)   Nylon 6,6
E)   DacronF) C) and E)
G) C) and D)

Question 15

Liquids are anisotropic, because their properties are independent of the axis of testing.

Accepted Answer

A) True 
 B)False

Question 16

List three materials that can be used to form the matrix that holds the composite material together.

Accepted Answer

Polyester,...

Question 17

Which of the following is a natural polymer?

Accepted Answer

A)   Rubber
B)   Polyester
C)   Silk
D)   Rubber & polyester
E)   Rubber & silkF) A) and B)
G) None of the above

Question 18

List three materials that can be used to give strength to a composite material.

Accepted Answer

Fiberglass...

Question 19

An amino acid is a compound that contains at least

Accepted Answer

A)   one amino group and one amide group.
B)   two amino groups and one carboxylic acid group.
C)   one hydroxyl group and one methyl group.
D)   one carboxylic acid group and one amino group.
E)   one methyl group and one amide group.F) C) and E)
G) None of the above

Question 20

What name is given to the bonds that make rubber much stronger and more rigid than natural polyisoprene (rubber) ?

Accepted Answer

A)   Sulfide bonds
B)   Cross-links
C)   Carbon-sulfides
D)   Bridge bonds
E)   Brawny bondsF) D) and E)
G) All of the above

Exam 12: Modern Materials

What is the name of the C60 molecule that resembles an architectural structure called a geodesic dome?

Correct AnswerverifiedShow Answer

Which one of these choices is the general structural formula of an amino acid?

Correct AnswerverifiedShow Answer

What name is given to the bonds that make rubber much stronger and more rigid than natural polyisoprene (rubber) ?

Correct AnswerverifiedShow Answer

Liquids are anisotropic, because their properties are independent of the axis of testing.

Correct AnswerverifiedShow Answer

List three materials that can be used to form the matrix that holds the composite material together.

Correct AnswerverifiedPolyester,...View AnswerShow Answer

What does LDPE mean?

Correct AnswerverifiedLow-densit...View AnswerShow Answer

Which type of polymerization reaction involves the bonding of monomer molecules by the movement of electrons from a multiple bond into new single bonds between molecules?

Correct AnswerverifiedShow Answer

What are the small molecules that constitute the individual building blocks of polymers called?

Correct AnswerverifiedShow Answer

Which of the following is a natural polymer?

Correct AnswerverifiedShow Answer

Which of these polymers is used in disposable cups and plates?

Correct AnswerverifiedShow Answer

Which polymer is a copolymer of a five-carbon sugar, four different bases (adenine, thymine, guanine, and cytosine) , and phosphoric acid?

Correct AnswerverifiedShow Answer

Describe the danger associated with traditional dental fillings.

Correct AnswerverifiedTraditional dental fillings we...View AnswerShow Answer

An amino acid is a compound that contains at least

Correct AnswerverifiedShow Answer

List three materials that can be used to give strength to a composite material.

Correct AnswerverifiedFiberglass...View AnswerShow Answer

When the following two monomers are combined, which condensation polymer is formed?

Correct AnswerverifiedShow Answer

Discuss modern materials used in medical applications.

Correct AnswerverifiedReplacement joints, dental imp...View AnswerShow Answer

The functional group found in proteins is called a (an)

Correct AnswerverifiedShow Answer

Magnetic levitation is an example of ________ of superconductors below Tc.

Correct AnswerverifiedShow Answer

Which element, or combination of elements, could produce a semiconductor with the following band structure? (CB = conduction band, VB = valence band)

Correct AnswerverifiedShow Answer

Describe the materials used in joint replacements.

Correct AnswerverifiedOriginally the materials were ...View AnswerShow Answer

What is the name of the C₆₀ molecule that resembles an architectural structure called a geodesic dome?

Correct Answer
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Polyester,...
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Low-densit...
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Traditional dental fillings we...
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Fiberglass...
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Correct Answer
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Correct Answer
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Replacement joints, dental imp...
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Correct Answer
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Magnetic levitation is an example of ________ of superconductors below T_c.

Correct Answer
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Correct Answer
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Correct Answer
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Originally the materials were ...
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