Question 1

________ ________ is the name given to Group 1A.

Accepted Answer

The answer of ________ ________ is the name given to...

Question 2

Alkali metals are the most electronegative metals in the periodic table.

Accepted Answer

A) True 
 B)False

Question 3

What metals occur in the free and uncombined state and are obtained by roasting their sulfides?

Accepted Answer

Mercury, s

Question 4

Al(OH)3, Be(OH)2, and water are all amphoteric.

Accepted Answer

A) True 
 B)False

Question 5

What is the major component in milk of magnesia?

Accepted Answer

A)  Mg(OH)2 
B)  MgS 
C)  MgCl 
D)  MgSO4 
E)  MgCO3 
A)  Mg(OH)2 
B)  MgS 
C)  MgCl 
D)  MgSO4 
E)  MgCO3

Question 6

The most common source for the commercial production of sodium is called

Accepted Answer

A)  sodalite. 
B)  limestone. 
C)  halite. 
D)  galena. 
E)  pyrite. 
A)  sodalite. 
B)  limestone. 
C)  halite. 
D)  galena. 
E)  pyrite.

Question 7

Which one of these elements would give a p-type semiconductor when added to a silicon crystal?

Accepted Answer

A)  C 
B)  P 
C)  As 
D)  Ga 
E)  Sb 
A)  C 
B)  P 
C)  As 
D)  Ga 
E)  Sb

Question 8

For the production of metallic chromium at high temperatures, which is NOT an appropriate choice for the metal M?Cr2O3(s) + 3M(l) → 2Cr(l) + 3MO(s)

Accepted Answer

A)  Mg 
B)  Sn 
C)  Ca 
D)  Cu 
E)  Sr 
A)  Mg 
B)  Sn 
C)  Ca 
D)  Cu 
E)  Sr

Question 9

Write the chemical formula of halite.

Accepted Answer

The answer of Write the chemical formula of halite....

Question 10

A fractional distillation method called the Mond process is used to purify nickel.

Accepted Answer

A) True 
 B)False

Question 11

What is the name of the metallurgical process performed at high temperatures?

Accepted Answer

The answer of What is the name of the metallurgical...

Question 12

Solids containing acceptor impurities are called ________ - ________ ________.

Accepted Answer

p-type sem

Question 13

When mercury combines with other metals, what is the name given to the species formed?

Accepted Answer

A)  Mercury complex 
B)  Mercury poison 
C)  Amalgam 
D)  Mineralization 
E)  Mercuration 
A)  Mercury complex 
B)  Mercury poison 
C)  Amalgam 
D)  Mineralization 
E)  Mercuration

Question 14

The Downs cell is used in the production of

Accepted Answer

A)  copper. 
B)  hydrogen. 
C)  iron. 
D)  magnesium. 
E)  sodium. 
A)  copper. 
B)  hydrogen. 
C)  iron. 
D)  magnesium. 
E)  sodium.

Question 15

Which is the best representation for a solution composed of sodium dissolved in liquid ammonia? (Ammonia molecules have been omitted for clarity.)

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 16

What effect does increasing temperature have on the conductivities of semiconductors?

Accepted Answer

A)  Increases 
B)  Decreases 
C)  No change 
D)  Cannot be predicted 
A)  Increases 
B)  Decreases 
C)  No change 
D)  Cannot be predicted

Question 17

Which mineral contains calcium as a major element?

Accepted Answer

A)  Cinnabar 
B)  Corundum 
C)  Hematite 
D)  Hydroxyapatite 
E)  Talc 
A)  Cinnabar 
B)  Corundum 
C)  Hematite 
D)  Hydroxyapatite 
E)  Talc

Question 18

The alkali metals are isolated from nonaqueous systems. Why is this necessary?

Accepted Answer

A)  The electrolysis of aqueous solutions of the alkali metals requires more energy than electrolysis of the molten salts. 
B)  The dissolved alkali earth halides are too reactive to be electrolyzed. 
C)  The aqueous metal ions are more difficult to reduce than water. 
D)  The reduction potentials of the alkali metals are more positive than the reduction potential of water. 
E)  The aqueous metal ions react violently with water. 
A)  The electrolysis of aqueous solutions of the alkali metals requires more energy than electrolysis of the molten salts. 
B)  The dissolved alkali earth halides are too reactive to be electrolyzed. 
C)  The aqueous metal ions are more difficult to reduce than water. 
D)  The reduction potentials of the alkali metals are more positive than the reduction potential of water. 
E)  The aqueous metal ions react violently with water.

Question 19

According to the band theory, which of these statements provide(s) an explanation for the high electrical conductivity of metals? I. a completely filled conduction bandII. a valence band overlapping an empty conduction bandIII. a filled valence bandIV. a large gap between the valence band and the conduction band

Accepted Answer

A)  II 
B)  I and III 
C)  III 
D)  III and IV 
E)  IV 
A)  II 
B)  I and III 
C)  III 
D)  III and IV 
E)  IV

Question 20

Which two compounds are produced by the Solvay process?

Accepted Answer

A)  CaCO3 and CaO 
B)  CaCO3 and Na2CO3 
C)  NaHCO3 and NaCl 
D)  NH3 and NH4Cl 
E)  NaHCO3 and Na2CO3 
A)  CaCO3 and CaO 
B)  CaCO3 and Na2CO3 
C)  NaHCO3 and NaCl 
D)  NH3 and NH4Cl 
E)  NaHCO3 and Na2CO3

Exam 24: Nonmetallic Elements and Their Compounds

________ ________ is the name given to Group 1A.

Alkali metals are the most electronegative metals in the periodic table.

What metals occur in the free and uncombined state and are obtained by roasting their sulfides?

Al(OH)3, Be(OH)2, and water are all amphoteric.

What is the major component in milk of magnesia?

The most common source for the commercial production of sodium is called

Which one of these elements would give a p-type semiconductor when added to a silicon crystal?

For the production of metallic chromium at high temperatures, which is NOT an appropriate choice for the metal M?Cr2O3(s) + 3M(l) → 2Cr(l) + 3MO(s)

Write the chemical formula of halite.

A fractional distillation method called the Mond process is used to purify nickel.

What is the name of the metallurgical process performed at high temperatures?

Solids containing acceptor impurities are called ________ - ________ ________.

When mercury combines with other metals, what is the name given to the species formed?

The Downs cell is used in the production of

Which is the best representation for a solution composed of sodium dissolved in liquid ammonia? (Ammonia molecules have been omitted for clarity.)

What effect does increasing temperature have on the conductivities of semiconductors?

Which mineral contains calcium as a major element?

The alkali metals are isolated from nonaqueous systems. Why is this necessary?

Which two compounds are produced by the Solvay process?

Chemistry: the Central Science

Atoms, Molecules, and Ions

Stoichiometry: Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy, Free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Organic Chemistry

Filters

is the name given to Group 1A.

Al(OH)₃, Be(OH)₂, and water are all amphoteric.

For the production of metallic chromium at high temperatures, which is NOT an appropriate choice for the metal M?Cr₂O₃(s) + 3M(l) → 2Cr(l) + 3MO(s)

Solids containing acceptor impurities are called - .