Question 1

The doping of a solid is the spreading of small amounts of impurities through it.

Accepted Answer

A) True 
 B)False

Question 2

What is the coordination number of magnesium in MgO? The ionic radii of MgS1U1P12+S1S1P0 and OS1U1P12-S1S1P0 are 72 and 140 pm, respectively.

Accepted Answer

A)  4 
B)  2 
C)  8 
D)  6 
E)  12 
A)  4 
B)  2 
C)  8 
D)  6 
E)  12

Question 3

If 2.00 moles of an ideal gas at STP is subjected to a new pressure of 24.7 kPa, the volume of the gas will become

Accepted Answer

A)  8.20 L 
B)  22.4 L 
C)  11.2 L 
D)  184 L 
E)  91.9 L 
A)  8.20 L 
B)  22.4 L 
C)  11.2 L 
D)  184 L 
E)  91.9 L

Question 4

All the following hydrated compounds are commonly available except

Accepted Answer

A)  BaCl2·2H2O. 
B)  NH4NO3·2H2O. 
C)  NaClO4·H2O. 
D)  Cr(ClO4)3·6H2O. 
E)  La2(SO4)3·9H2O. 
A)  BaCl2·2H2O. 
B)  NH4NO3·2H2O. 
C)  NaClO4·H2O. 
D)  Cr(ClO4)3·6H2O. 
E)  La2(SO4)3·9H2O.

Question 5

How many titanium and oxygen ions are there in the rutile unit cell shown below?

Accepted Answer

A)  3 TiS1U1P14+S1S1P0 and 4 OS1U1P12-S1S1P0 
B)  3 TiS1U1P14+S1S1P0 and 6 OS1U1P12-S1S1P0 
C)  2 TiS1U1P14+S1S1P0 and 4 OS1U1P12-S1S1P0 
D)  2 TiS1U1P14+S1S1P0 and 3 OS1U1P12-S1S1P0 
E)  2 TiS1U1P14+S1S1P0 and 6 OS1U1P12-S1S1P0 
A)  3 TiS1U1P14+S1S1P0 and 4 OS1U1P12-S1S1P0 
B)  3 TiS1U1P14+S1S1P0 and 6 OS1U1P12-S1S1P0 
C)  2 TiS1U1P14+S1S1P0 and 4 OS1U1P12-S1S1P0 
D)  2 TiS1U1P14+S1S1P0 and 3 OS1U1P12-S1S1P0 
E)  2 TiS1U1P14+S1S1P0 and 6 OS1U1P12-S1S1P0

Question 6

How many tetrahedral and octahedral holes per atom are there in a cubic close-packed structure, respectively?

Accepted Answer

A)  2 and 1 
B)  0 and 1 
C)  2 and 2 
D)  2 and 0 
E)  0 and 2 
A)  2 and 1 
B)  0 and 1 
C)  2 and 2 
D)  2 and 0 
E)  0 and 2

Question 7

If the interaction between two species is proportional to 1/r6, which of the following is likely involved?

Accepted Answer

A)  Chloromethane molecules in the gas phase 
B)  Chloromethane molecules in the solid phase 
C)  Li+ and H2O 
D)  Na+ and H2O 
E)  Ions in an ionic solid 
A)  Chloromethane molecules in the gas phase 
B)  Chloromethane molecules in the solid phase 
C)  Li+ and H2O 
D)  Na+ and H2O 
E)  Ions in an ionic solid

Question 8

What is the vapor pressure of geraniol, molar mass 155 g/mol,
If the density of the vapor at 260S1U1P1$\circ$S1S1P0C is 0.480 g/L?

Accepted Answer

A)  50.2 Torr 
B)  103 Torr 
C)  0.0661 Torr 
D)  0.103 Torr 
A)  50.2 Torr 
B)  103 Torr 
C)  0.0661 Torr 
D)  0.103 Torr

Question 9

Which is a feature of solid electrolytes?

Accepted Answer

A)  Electrons move through their lattices.  
B)  Ions move through their lattices.  
C)  Atoms move through them.  
D)  Atoms lose electrons within them.  
E)  Atoms gain electrons within them.  
A)  Electrons move through their lattices.  
B)  Ions move through their lattices.  
C)  Atoms move through them.  
D)  Atoms lose electrons within them.  
E)  Atoms gain electrons within them.

Question 10

A certain liquid has a meniscus that curves downward in glass.This means that the cohesive forces in the liquid are less than the forces between the liquid and the glass.

Accepted Answer

A) True 
 B)False

Question 11

To what is the boron nitride structure related?

Accepted Answer

A)  Cement  
B)  Silicon  
C)  Carbon  
D)  Metal alloys.  
E)  Elemental metals.  
A)  Cement  
B)  Silicon  
C)  Carbon  
D)  Metal alloys.  
E)  Elemental metals.

Question 12

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 13

When a material is superconductive, which of the following statements best describes it?

Accepted Answer

A)  It has negligible electrical resistance.  
B)  It has high electrical resistance. 
C)  It has negligible electrons in the conduction band.  
D)  It has electrical resistance in one phase.  
E)  None of the above is correct.  
A)  It has negligible electrical resistance.  
B)  It has high electrical resistance. 
C)  It has negligible electrons in the conduction band.  
D)  It has electrical resistance in one phase.  
E)  None of the above is correct.

Question 14

Viscosity usually decreases with increasing temperature.

Accepted Answer

A) True 
 B)False

Question 15

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 16

The atomic radius of magnesium is 160 pm .Estimate its density,Given that the metal has a close-packed structure.

Accepted Answer

A)  1.74 g.cmS1U1P1-S1S1P0S1U1P13 S1S1P0 
B)  0.435 g.cmS1U1P1-S1S1P0S1U1P13 S1S1P0 
C)  10.5 g.cmS1U1P1-S1S1P0S1U1P13 S1S1P0 
D)  4.45 g.cmS1U1P1-S1S1P0S1U1P13 S1S1P0 
E)  2.78 g.cmS1U1P1-S1S1P0S1U1P13 S1S1P0 
A)  1.74 g.cmS1U1P1-S1S1P0S1U1P13 S1S1P0 
B)  0.435 g.cmS1U1P1-S1S1P0S1U1P13 S1S1P0 
C)  10.5 g.cmS1U1P1-S1S1P0S1U1P13 S1S1P0 
D)  4.45 g.cmS1U1P1-S1S1P0S1U1P13 S1S1P0 
E)  2.78 g.cmS1U1P1-S1S1P0S1U1P13 S1S1P0

Question 17

How many tetrahedral holes are there in a face-centered cubic unit cell?

Accepted Answer

A)  8 
B)  12 
C)  1 
D)  4 
E)  6 
A)  8 
B)  12 
C)  1 
D)  4 
E)  6

Question 18

A sample of nitrogen gas collected at 24$\omicron $C and 745 Torr has a vapor pressure of 745 Torr.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following has the highest boiling point?

Accepted Answer

A)  N2  
B)  H2S 
C)  NH3  
D)  H2O 
E)  SO2  
A)  N2  
B)  H2S 
C)  NH3  
D)  H2O 
E)  SO2

Question 20

What are the coordination numbers of CaS1U1P12+S1S1P0 and FS1U1P1-S1S1P0 ions, respectively,In fluorite? The unit cell is shown below

Accepted Answer

A)  6 and 8 
B)  4 and 8 
C)  8 and 8 
D)  6 and 4 
E)  8 and 4 
A)  6 and 8 
B)  4 and 8 
C)  8 and 8 
D)  6 and 4 
E)  8 and 4

The doping of a solid is the spreading of small amounts of impurities through it.

What is the coordination number of magnesium in MgO? The ionic radii of Mg²⁺ and O^2- are 72 and 140 pm, respectively.

If 2.00 moles of an ideal gas at STP is subjected to a new pressure of 24.7 kPa, the volume of the gas will become

All the following hydrated compounds are commonly available except

How many titanium and oxygen ions are there in the rutile unit cell shown below?

How many tetrahedral and octahedral holes per atom are there in a cubic close-packed structure, respectively?

If the interaction between two species is proportional to 1/r⁶, which of the following is likely involved?

What is the vapor pressure of geraniol, molar mass 155 g/mol, If the density of the vapor at 260^$\circ$C is 0.480 g/L?

Which is a feature of solid electrolytes?

A certain liquid has a meniscus that curves downward in glass.This means that the cohesive forces in the liquid are less than the forces between the liquid and the glass.

To what is the boron nitride structure related?

Which of the following is correct concerning glass?

When a material is superconductive, which of the following statements best describes it?

Viscosity usually decreases with increasing temperature.

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

The atomic radius of magnesium is 160 pm .Estimate its density,Given that the metal has a close-packed structure.

How many tetrahedral holes are there in a face-centered cubic unit cell?

A sample of nitrogen gas collected at 24^$\omicron$C and 745 Torr has a vapor pressure of 745 Torr.

Which of the following has the highest boiling point?

What are the coordination numbers of Ca²⁺ and F^- ions, respectively,In fluorite? The unit cell is shown below

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 3: States of Matter

The doping of a solid is the spreading of small amounts of impurities through it.

What is the coordination number of magnesium in MgO? The ionic radii of Mg2+ and O2- are 72 and 140 pm, respectively.

If 2.00 moles of an ideal gas at STP is subjected to a new pressure of 24.7 kPa, the volume of the gas will become

All the following hydrated compounds are commonly available except

How many titanium and oxygen ions are there in the rutile unit cell shown below?

How many tetrahedral and octahedral holes per atom are there in a cubic close-packed structure, respectively?

If the interaction between two species is proportional to 1/r6, which of the following is likely involved?

What is the vapor pressure of geraniol, molar mass 155 g/mol, If the density of the vapor at 260 ∘\circ∘ C is 0.480 g/L?

Which is a feature of solid electrolytes?

A certain liquid has a meniscus that curves downward in glass.This means that the cohesive forces in the liquid are less than the forces between the liquid and the glass.

To what is the boron nitride structure related?

Which of the following is correct concerning glass?

When a material is superconductive, which of the following statements best describes it?

Viscosity usually decreases with increasing temperature.

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

The atomic radius of magnesium is 160 pm .Estimate its density,Given that the metal has a close-packed structure.

How many tetrahedral holes are there in a face-centered cubic unit cell?

A sample of nitrogen gas collected at 24 ο\omicron ο C and 745 Torr has a vapor pressure of 745 Torr.

Which of the following has the highest boiling point?

What are the coordination numbers of Ca2+ and F- ions, respectively,In fluorite? The unit cell is shown below

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

What is the coordination number of magnesium in MgO? The ionic radii of Mg²⁺ and O^2- are 72 and 140 pm, respectively.

If the interaction between two species is proportional to 1/r⁶, which of the following is likely involved?

What is the vapor pressure of geraniol, molar mass 155 g/mol, If the density of the vapor at 260^$\circ$C is 0.480 g/L?

A sample of nitrogen gas collected at 24^$\omicron$C and 745 Torr has a vapor pressure of 745 Torr.

What are the coordination numbers of Ca²⁺ and F^- ions, respectively,In fluorite? The unit cell is shown below