Question 1

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)   SbF) A) and B)
G) None of the above

Question 2

The Downs cell is used in the production of

Accepted Answer

A)   copper.
B)   hydrogen.
C)   iron.
D)   magnesium.
E)   sodium.F) C) and E)
G) All of the above

Question 3

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 Na2CO3F) C) and D)
G) A) and B)

Question 4

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)   MercurationF) C) and D)
G) All of the above

Question 5

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 6

What is the major component in milk of magnesia?

Accepted Answer

A)   Mg(OH) 2
B)   MgS
C)   MgCl
D)   MgSO4
E)   MgCO3F) A) and C)
G) A) and B)

Question 7

Solids containing acceptor impurities are called ________ - ________ ________.

Accepted Answer

p-type sem...

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

Mercury, s...

Question 10

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

Accepted Answer

A)   sodalite.
B)   limestone.
C)   halite.
D)   galena.
E)   pyrite.F) All of the above
G) B) and C)

Question 11

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)   SrF) D) and E)
G) A) and B)

Question 12

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

Accepted Answer

A)   Increases
B)   Decreases
C)   No change
D)   Cannot be predictedE) None of the above
F) C) and D)

Question 13

Which mineral contains calcium as a major element?

Accepted Answer

A)   Cinnabar
B)   Corundum
C)   Hematite
D)   Hydroxyapatite
E)   TalcF) A) and E)
G) A) and B)

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

________ ________ is the name given to Group 1A.

Accepted Answer

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

Question 16

Write the chemical formula of halite.

Accepted Answer

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

Question 17

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.F) A) and B)
G) A) and C)

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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)   F) D) and E)
G) A) and D)

Question 20

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)   IVF) B) and E)
G) D) and E)

Exam 24: Nonmetallic Elements and Their Compounds

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

Correct Answer
verified

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)

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified
Mercury, s...
View Answer

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Which two compounds are produced by the Solvay process?

Correct Answer
verified

is the name given to Group 1A.

Correct Answer
verified

The Downs cell is used in the production of

Correct Answer
verified

Which mineral contains calcium as a major element?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

What is the major component in milk of magnesia?

Correct Answer
verified

Write the chemical formula of halite.

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Solids containing acceptor impurities are called - .

Correct Answer
verified
p-type sem...
View Answer

Exam 24: Nonmetallic Elements and Their Compounds

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

Correct AnswerverifiedShow Answer

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)

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedMercury, s...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which two compounds are produced by the Solvay process?

Correct AnswerverifiedShow Answer

________ ________ is the name given to Group 1A.

Correct AnswerverifiedShow Answer

The Downs cell is used in the production of

Correct AnswerverifiedShow Answer

Which mineral contains calcium as a major element?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the major component in milk of magnesia?

Correct AnswerverifiedShow Answer

Write the chemical formula of halite.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Solids containing acceptor impurities are called ________ - ________ ________.

Correct Answerverifiedp-type sem...View AnswerShow Answer

Correct Answer
verified

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)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Mercury, s...
View Answer

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

is the name given to Group 1A.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Solids containing acceptor impurities are called - .

Correct Answer
verified
p-type sem...
View Answer