13:4 Solids
Chapter 13

Dr. Robert E. Belford




Question 1
What type of solid is held together by dipersion, dipole-dipole or hydrogen bonds?
(A)  Ionic
(B)  metallic
(C)  molecular
(D)  covalent network
 

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Question 2
What type of compounds are held together by covalent bonds
(A)  ionic
(B)  metallic
(C)  molecular
(D)  covalent network
 

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Question 3
Solid Iodine is a ____type of substance:
(A)  ionic lattice
(B)  metalic
(C)  molecular
(D)  covalent network
 

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Question 4
diamond lattices are a ___ type of substance
(A)  ionic crystal
(B)  metalic
(C)  molecular
(D)  network covalent
 

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Question 5
How many basic crystal systems are there?
(A)  3
(B)  4
(C)  6
(D)  7
 

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Question 6
Which is not a type of cubic unit cell?
(A)  tetragonal
(B)  body centered
(C)  face centered
(D)  primitive
 

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Question 7
Which type of unit cell is the least efficient in packing?
(A)  primitive
(B)  body-centered
(C)  face-centered
(D)  none of the above
 

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Question 8
Which type of unit cell is most efficent in packing?
(A)  primitive
(B)  body-centered
(C)  face-centered
(D)  none of the above
 

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Question 9
Primitive, Face Centered & Body Centered Cubic Cells have respective coordination numbers of
(A)  1,2,4
(B)  2,4,6
(C)  6,8,12
(D)  6,12,8
 

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Question 10
Silver has a density of 10.5g/cm3 and forms a FCC structure. What is the atomic radius of silver in Angstroms? Assume that nearest neighbor atoms contact each other.
(A)  2.88 Angstoms
(B)  6.89 Angstroms
(C)  1.44 Angstroms
(D)  None of the above
 
Hint

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