Question 1

Soda-lime glass contains ________.

Accepted Answer

A)  SiO2 and aluminum
B)  SiO2, CaO, and Na2O
C)  SiO2, CO2, and citric acid
D)  SiO2, CO2, Na2O
E)  pure SiO2F) B) and E)
G) A) and B)

Question 2

What is the oxidation state of xenon in XeO2F2?

Accepted Answer

A)  0
B)  +4
C)  +8
D)  +2
E)  +6F) B) and E)
G) A) and B)

Question 3

Which form of elemental sulfur is the most stable at room temperature?

Accepted Answer

A)  rhombic sulfur
B)  monoclinic
C)  hexagonal
D)  triclinic
E)  tetraclinicF) B) and E)
G) All of the above

Question 4

The oxidation numbers of sulfur in the sulfate ion,sulfite ion,sulfur trioxide,and hydrogen sulfide are ________,________,________,and ________,respectively.

Accepted Answer

A)  +4, -2, +4, +6
B)  +6, +2, +4, +6
C)  +6, +4, +6, -2
D)  +4, +6, +4, -2
E)  -2, +6, -2, 0F) C) and E)
G) A) and E)

Question 5

The principal combustion products of compounds containing carbon and hydrogen in the presence of excess O2 are ________.

Accepted Answer

A)  CO2 and H2O
B)  CO2 and H2O2
C)  CO2 and H
D)  C(graphite) and H2
E)  CO2 and H2F) B) and C)
G) A) and B)

Question 6

What is an acetylide?

Accepted Answer

a carbide ...

Question 7

The prefix thio- denotes ________.

Accepted Answer

A)  replacement of an oxygen atom by a sulfur atom
B)  a sulfur-sulfur double bond
C)  sulfur in a negative oxidation state
D)  a sulfur-oxygen double bond
E)  an allotropic form of sulfurF) C) and E)
G) B) and E)

Question 8

Most mined phosphate rock is ________.

Accepted Answer

A)  used as a strong acid
B)  used as a reducing agent
C)  used as a detergent
D)  converted to fertilizer
E)  discarded as a by-productF) A) and E)
G) C) and D)

Question 9

Which noble gas is known to form a variety of binary compounds?

Accepted Answer

A)  Xe
B)  He
C)  Ne
D)  Ar
E)  KrF) B) and D)
G) B) and E)

Question 10

Hydrogen can have oxidation states of ________.

Accepted Answer

A)  +1 only
B)  -1, 0, and +1
C)  0 and +1 only
D)  -1 and +1 only
E)  0 onlyF) A) and E)
G) C) and E)

Question 11

Tetraboric acid,H2B4O7,is prepared by heating boric acid,H3BO3 (a condensation reaction involving water loss) .If 400.0 mmol H3BO3 are used,what mass (g) of H2O is formed,assuming quantitative stoichiometric conversion?

Accepted Answer

A)  5.77
B)  0.500
C)  0.320
D)  7.21
E)  9.01F) A) and E)
G) C) and D)

Question 12

What is the coefficient of NO2 when the following disproportionation reaction is balanced?
NO2 (g) + H2O (l) → 2 when the following disproportionation reaction is balanced? NO2 (g) + H2O (l) →   (aq) + NO3- (aq) + NO (g)  A) 1 B) 2 C) 3 D) 5 E) 4" class="answers-bank-image d-inline" rel="preload" > (aq) + NO3- (aq) + NO (g)

Accepted Answer

A)  1
B)  2
C)  3
D)  5
E)  4F) C) and D)
G) A) and B)

Question 13

Consider the following xenon compounds: 
(i) XeCl2
 (ii) XeCl4 
(iii) XeO4 
(iv) XeOCl4 
(v) XeO3
Which of the compounds is(are) polar?

Accepted Answer

A)  (i) only
B)  (iii) and (iv) 
C)  (iv) and (v) 
D)  (ii) and (iii) 
E)  (iv) onlyF) A) and E)
G) None of the above

Question 14

What group 5A element is the least metallic?

Accepted Answer

The answer of What group 5A element is the least...

Question 15

Hydrogen can form hydride ions.Elements in group ________ typically form ions with the same charge as the hydride ion.

Accepted Answer

A)  1A
B)  2A
C)  6A
D)  7A
E)  3AF) D) and E)
G) A) and C)

Question 16

B2O3 is the anhydride of ________.

Accepted Answer

A)  borous acid
B)  diborane
C)  tetraboric acid
D)  boric acid
E)  boraxF) None of the above
G) B) and E)

Question 17

What is the formula of borax?

Accepted Answer

A)  H3BO3
B)  H2B4O7
C)  P5O8
D)  B2O3
E)  Na2B4O7 ∙ 10H2OF) C) and E)
G) B) and E)

Question 18

The oxidation number of N in NO3- is ________.

Accepted Answer

A)  +1
B)  +2
C)  +3
D)  +4
E)  +5F) A) and E)
G) A) and C)

Question 19

Silicones are ________.

Accepted Answer

A)  chains of alternating silicon and oxygen atoms with attached organic groups
B)  three-dimensional covalent networks of SiO4 tetrahedra
C)  three-dimensional covalent networks of silicon atoms
D)  flat sheets of silicon atoms
E)  flat sheets of silicon and hydrogen atomsF) All of the above
G) None of the above

Question 20

Interhalogen compounds ________.

Accepted Answer

A)  are exceedingly reactive
B)  contain halogens in both positive and negative oxidation states
C)  are powerful oxidizing agents
D)  all of the aboveE) A) and B)
F) B) and D)

Exam 22: Chemistry of the Nonmetals

Hydrogen can have oxidation states of ________.

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Interhalogen compounds ________.

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What group 5A element is the least metallic?

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Tetraboric acid,H2B4O7,is prepared by heating boric acid,H3BO3 (a condensation reaction involving water loss) .If 400.0 mmol H3BO3 are used,what mass (g) of H2O is formed,assuming quantitative stoichiometric conversion?

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Which form of elemental sulfur is the most stable at room temperature?

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Consider the following xenon compounds: (i) XeCl2 (ii) XeCl4 (iii) XeO4 (iv) XeOCl4 (v) XeO3 Which of the compounds is(are) polar?

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The prefix thio- denotes ________.

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Which noble gas is known to form a variety of binary compounds?

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The oxidation numbers of sulfur in the sulfate ion,sulfite ion,sulfur trioxide,and hydrogen sulfide are ________,________,________,and ________,respectively.

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The principal combustion products of compounds containing carbon and hydrogen in the presence of excess O2 are ________.

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What is the coefficient of NO2 when the following disproportionation reaction is balanced? NO2 (g) + H2O (l) → (aq) + NO3- (aq) + NO (g)

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Hydrogen can form hydride ions.Elements in group ________ typically form ions with the same charge as the hydride ion.

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B2O3 is the anhydride of ________.

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What is the formula of borax?

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Most mined phosphate rock is ________.

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Soda-lime glass contains ________.

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What is the oxidation state of xenon in XeO2F2?

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What is an acetylide?

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The oxidation number of N in NO3- is ________.

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Silicones are ________.

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Tetraboric acid,H₂B₄O₇,is prepared by heating boric acid,H₃BO₃ (a condensation reaction involving water loss) .If 400.0 mmol H₃BO₃ are used,what mass (g) of H₂O is formed,assuming quantitative stoichiometric conversion?

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Consider the following xenon compounds: (i) XeCl₂ (ii) XeCl₄ (iii) XeO₄ (iv) XeOCl₄ (v) XeO₃ Which of the compounds is(are) polar?

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The oxidation numbers of sulfur in the sulfate ion,sulfite ion,sulfur trioxide,and hydrogen sulfide are ,,,and ,respectively.

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The principal combustion products of compounds containing carbon and hydrogen in the presence of excess O₂ are ________.

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What is the coefficient of NO₂ when the following disproportionation reaction is balanced? NO₂ (g) + H₂O (l) → (aq) + NO₃^- (aq) + NO (g)

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B₂O₃ is the anhydride of ________.

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What is the oxidation state of xenon in XeO₂F₂?

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a carbide ...
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The oxidation number of N in NO₃^- is ________.

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