Deck 12: Solids and Modern Materials

Question 1

Identify the type of solid for ice.

A) metallic atomic solid
B) ionic solid
C) nonbonding atomic solid
D) molecular solid
E) networking atomic solid

Answer 1

molecular solid

Question 2

Identify the type of solid for AgCl.

A) metallic atomic solid
B) ionic solid
C) nonbonding atomic solid
D) molecular solid
E) networking atomic solid

Answer 2

ionic solid

Question 3

Identify two-dimensional graphite.

A) buckyball
B) diamond
C) graphene
D) fullerene
E) charcoal

Answer 3

graphene

Question 4

Identify the characteristics of a face-centered cubic cell.

A) edge length = 2 , 80% packing efficiency
B) edge length = 2r, 52% packing efficiency
C) edge length = 4r/ , 68% packing efficiency
D) edge length = 2 , 74% packing efficiency
E) edge length = 2r, 60% packing efficiency

Question 5

Identify the type of solid for diamond.

A) metallic atomic solid
B) ionic solid
C) nonbonding atomic solid
D) molecular solid
E) networking atomic solid

Question 6

Identify the characteristics of a simple cubic cell.

A) edge length = 2 , 80% packing efficiency
B) edge length = 2r, 52% packing efficiency
C) edge length = 4r/ , 68% packing efficiency
D) edge length = 2 , 74% packing efficiency
E) edge length = 2r, 60% packing efficiency

Question 7

Identify the characteristics of a body-centered cubic cell.

A) edge length = 2 , 80% packing efficiency
B) edge length = 2r, 52% packing efficiency
C) edge length = 4r/ , 68% packing efficiency
D) edge length = 2 , 74% packing efficiency
E) edge length = 2r, 60% packing efficiency

Question 8

When two waves interact with the crests of one aligning with the troughs of the other is called

A) complimentary interference.
B) destructive interference.
C) opposing interference.
D) constructive interference.
E) alignment interference.

Question 9

Identify the type of solid for argon.

A) metallic atomic solid
B) ionic solid
C) nonbonding atomic solid
D) molecular solid
E) networking atomic solid

Question 10

Identify the type of solid for gold.

A) metallic atomic solid
B) ionic solid
C) nonbonding atomic solid
D) molecular solid
E) networking atomic solid

Question 11

Identify the thinnest known material.

A) buckyball
B) diamond
C) graphene
D) fullerene
E) charcoal

Question 12

To obtain the best chocolate,the chocolate is

A) cooled quickly.
B) heated quickly.
C) heated and cooled under controlled conditions.
D) dropped into ice water.
E) not monitored with temperature.

Question 13

When an X-ray beam of l = 131.5 pm is incident on the surface of a copper crystal,it produces a maximum diffraction at an angle of q = 25.25 degrees.Assuming n = 1,calculate the separation between layers of copper atoms in the crystal.

A) 5.208 pm
B) 263.0 pm
C) 2.604 pm
D) 308.3 pm
E) 154.1 pm

Question 14

Define blooming with chocolate.

A) mixed unevenly
B) shatters easily
C) melting unevenly
D) white residue on the surface of chocolate
E) black residue on the surface of chocolate

Question 15

Identify the technique that determines the arrangement of atoms and measures the distance between them.

A) x-ray diffraction
B) ultraviolet
C) nuclear magnetic resonance
D) infrared
E) atomic absorption

Question 16

When two waves interact with their crests and troughs in alignment is called

A) complimentary interference.
B) destructive interference.
C) opposing interference.
D) constructive interference.
E) alignment interference.

Question 17

Vanadium crystallizes in a body centered cubic structure and has an atomic radius of 131 pm.Determine the density of vanadium,if the edge length of a bcc structure is 4r/ .

A) 3.06 g/cm³
B) 12.2 g/cm³
C) 6.11 g/cm³
D) 2.77 g/cm³
E) 8.46 g/cm³

Question 18

A metal crystallizes in a face centered cubic structure and has a density of 11.9 g/cm³.If the radius of the metal atom is 138 pm,what is the identity of the metal?

A) At
B) Pd
C) Mn
D) Fe
E) Cr

Question 19

Determine the radius of an Al atom (in pm)if the density of aluminum is 2.71 g/cm³.Aluminum crystallizes in a face centered cubic structure with an edge length of 2 r.

A) 143 pm
B) 227 pm
C) 96 pm
D) 172 pm
E) 193 pm

Question 20

The best chocolate has a melting point of ________ °C.

A) 27.3
B) 17.3
C) 36.3
D) 33.8
E) 25.5

Question 21

Identify the compound that has the zinc blende structure.

A) silver iodide
B) barium chloride
C) potassium bromide
D) cesium chloride
E) water

Question 22

Identify the formula for silica.

A) SiO₄
B) SiO₃
C) Si₂O₃
D) SiO₂
E) Si₃O₆

Question 23

An allotrope of carbon that exists as interconnected rings that assume a cylindrical shape is called

A) an octahedral.
B) a nanotube.
C) a diamond.
D) a fullerene.
E) graphite.

Question 24

An allotrope of carbon that exists as face centered cubic structure is called

A) an octahedral.
B) a nanotube.
C) a diamond.
D) a fullerene.
E) graphite.

Question 25

Identify the type of interaction between atoms in a nonbonding atomic solid.

A) polar bonding
B) ionic bonding
C) covalent bonding
D) hydrogen bonding
E) weak dispersion forces

Question 26

An allotrope of carbon that consists of flat sheets of carbon atoms covalently bonded together as interconnected hexagonal rings is called

A) an octahedral.
B) a nanotube.
C) a diamond.
D) a fullerene.
E) graphite.

Question 27

Identify a use for ceramics.

A) beakers
B) bridges
C) furniture
D) wooden decks
E) bricks

Question 28

Identify the compound that has the same structure as calcium sulfide.

A) silver iodide
B) barium chloride
C) potassium bromide
D) cesium chloride
E) water

Question 29

Identify the type of interaction between atoms in a networking atomic solid.

A) polar bonding
B) ionic bonding
C) covalent bonding
D) hydrogen bonding
E) weak dispersion forces

Question 30

Identify the largest unreinforced concrete dome in existence.

A) Pantheon
B) Hagia Sophia
C) Orbetello aircraft hangar
D) Ream's turtle
E) Turin's exposition hall

Question 31

Identify an element that is NOT in silicate ceramics.

A) oxygen
B) silicon
C) aluminum
D) carbon
E) hydrogen

Question 32

Identify the compound that has the same structure as sodium chloride.

A) silver iodide
B) barium chloride
C) potassium bromide
D) cesium chloride
E) water

Question 33

Identify a compound that is NOT in cement.

A) iron(III) oxide
B) silica
C) gypsum
D) limestone
E) sodium carbonate

Question 34

An allotrope of carbon that exists in the shape of a ball containing 36 to 100 carbons is called

A) an octahedral.
B) a nanotube.
C) a diamond.
D) a fullerene.
E) graphite.

Question 35

Identify an element that is NOT in nonoxide ceramics.

A) nitrogen
B) silicon
C) aluminum
D) boron
E) carbon

Question 36

Identify the shape for SiO₄.

A) tetrahedral
B) trigonal bipyramidal
C) trigonal planar
D) octahedral
E) trigonal pyramidal

Question 37

Identify a use for cement.

A) beakers
B) bridges
C) furniture
D) wooden decks
E) bricks

Question 38

Identify the compound that has fluorite structure.

A) silver iodide
B) barium chloride
C) potassium bromide
D) cesium chloride
E) water

Question 39

Geologists estimate that ________ percent of the Earth's crust is composed of silicates.

A) 80
B) 75
C) 85
D) 90
E) 70

Question 40

Identify an element that is NOT in oxide ceramics.

A) oxygen
B) silicon
C) aluminum
D) magnesium

Question 41

Identify for the rhombohedral unit cell.

A) a ≠ b = c
B) a = b ≠ c
C) a ≠ b ≠ c
D) a = b = c

Question 42

A common use of polyethylene terephthalate is

A) tire cord.
B) fishing line.
C) foam cups.
D) spray-on insulation.
E) films.

Question 43

Which of the following represent the addition polymer formed from the compound below? CH₂=CH-CH₃

A)

B)

C)

D)

E)

Question 44

Identify the element with the largest band gap.

A) lead
B) silicon
C) germanium
D) carbon
E) tin

Question 45

Identify the element with the smallest band gap.

A) lead
B) silicon
C) germanium
D) carbon
E) tin

Question 46

Identify a use for glass.

A) beakers
B) bridges
C) furniture
D) wooden decks
E) bricks

Question 47

A common use of nylon 6,6 is

A) tire cord.
B) fishing line.
C) foam cups.
D) spray-on insulation.
E) films.

Question 48

Identify the copolymer.

A) nylon 6,6
B) polyvinyl chloride
C) polyethylene
D) polypropylene
E) polystyrene

Question 49

Identify the element that is the best insulator.

A) lead
B) silicon
C) germanium
D) carbon
E) tin

Question 50

Which of the following represent the addition polymer formed from the compound below? CH₂=CHCl

A)

B)

C)

D)

E)

Question 51

Identify for the hexagonal unit cell.

A) a ≠ b = c
B) a = b ≠ c
C) a ≠ b ≠ c
D) a = b = c

Question 52

A common use of polystyrene is

A) tire cord.
B) fishing line.
C) foam cups.
D) spray-on insulation.
E) films.

Question 53

A common use of polyethylene is

A) tire cord.
B) fishing line.
C) foam cups.
D) spray-on insulation.
E) films.

Question 54

Identify a compound that is NOT used in the making of any glass.

A) SiO₂
B) Na₂O
C) CaO
D) NaCl
E) B₂O₃

Question 55

A common use of polyurethane is

A) tire cord.
B) fishing line.
C) foam cups.
D) spray-on insulation.
E) films.

Question 56

Identify an element that is added to glass to give it a higher index of refraction and a more brilliant appearance than soda-lime glass.

A) calcium
B) sodium
C) lead
D) boron
E) potassium

Question 57

A common use of polyvinyl chloride is

A) plumbing.
B) plastic wrap.
C) plastic bottles.
D) styrofoam.
E) nylon.

Question 58

Identify the condensation polymer.

A) polyurethane
B) polypropylene
C) polyvinyl chloride
D) polyethylene
E) polystyrene

Question 59

Identify what Kevlar is NOT used for.

A) helmets
B) bullet-proof vests
C) roads
D) brake pads
E) suspension bridge cables

Question 60

Identify the addition polymer.

A) polyurethane
B) polypropylene
C) polyethylene terephthalate
D) nylon 6,6
E) polyester

Question 61

Which type of bonding does Sr form upon solidification?

A) covalent network
B) ionic
C) metallic
D) molecular

Question 62

Identify for the triclinic unit cell.

A) a ≠ b = c
B) a = b ≠ c
C) a ≠ b ≠ c
D) a = b = c

Question 63

Rubidium crystallizes in a body-centered cubic structure.What is the coordination number of each atom?

A) 2
B) 6
C) 8
D) 12
E) 16

Question 64

Cesium has a radius of 272 pm and crystallizes in a body-centered cubic structure.What is the edge length of the unit cell?

A) 314 pm
B) 385 pm
C) 544 pm
D) 628 pm

Question 65

Nickel has a face-centered cubic structure and has a density of 8.90 g/cm³.What is its atomic radius?

A) 125 pm
B) 249 pm
C) 353 pm
D) 997 pm

Question 66

How many H^- ions are around each Na⁺ ion in NaH,which has a cubic unit cell with H^- ions on each corner and each face?

A) 1
B) 4
C) 6
D) 8

Question 67

Which of the following forms an ionic solid?

A) Co
B) C₄H₉NH₂
C) NH₄NO₃
D) SO₃

Question 68

Give the edge length in terms of r for a simple cubic cell.

Question 69

Which of the following forms a molecular solid?

A) NH₄NO₃
B) C₁₀H₂₂
C) C, diamond
D) silver

Question 70

Which of the following is considered an atomic solid?

A) F₂
B) CsBr
C) N₂
D) Nb
E) None of these is an atomic solid.

Question 71

Which of the following is considered a nonbonding atomic solid?

A) Ne
B) Cu
C) I₂
D) Ca
E) K

Question 72

Which of the following is considered a molecular solid?

A) Ag
B) NH₄NO₃
C) H₂O
D) Kr
E) None of these is a molecular solid.

Question 73

Identify the unit cell that has α = β = γ = 90°.

A) cubic
B) rhombohedral
C) tetrahedral
D) monoclinic

Question 74

Which of the following is considered an ionic solid?

A) (NH₄)₂CO₃
B) CCl₄
C) OCBr₂
D) XeF₄
E) None of these is an ionic solid.

Question 75

NaCl crystallizes in a cubic unit cell with Cl^- ions on each corner and each face.How many Na⁺ and Cl^- ions are in each unit cell of NaCl?

A) 1 Na⁺ ion and 1 Cl^- ion
B) 2 Na⁺ ions and 2 Cl^- ions
C) 4 Na⁺ ions and 4 Cl^- ions
D) 8 Na⁺ ions and 8 Cl^- ions

Question 76

What is the edge length of a face-centered cubic unit cell made up of atoms having a radius of 125 pm?

A) 177 pm
B) 354 pm
C) 500 pm
D) 1000 pm
E) 800 pm

Question 77

Which of the following substances should have the highest melting point?

A) Fe
B) Ne
C) Xe
D) N₂
E) CO

Question 78

Which of the following substances should have the highest melting point?

A) CO₂
B) CH₄
C) Ar
D) I₂
E) MgO

Question 79

Gold crystallizes in a face-centered cubic structure.What is the edge length of the unit cell if the atomic radius of gold is 144 pm?

A) 204 pm
B) 288 pm
C) 333 pm
D) 407 pm

Question 80

Give the coordination number for a face-centered cubic cell.

A) 2
B) 8
C) 12
D) 10
E) 6