Question 1

The most important hydride of nitrogen is

Accepted Answer

A)  ammonia
B)  hydrazine
C)  styrofoam
D)  agricultural pesticides
E)  none of theseF) B) and E)
G) B) and D)

Question 2

Choose the species with the largest radius.

Accepted Answer

A)  F
B)  F-
C)  Cl
D)  Cl-
E)  All are the same.F) A) and B)
G) D) and E)

Question 3

The element that reacts with N2 to form a compound of the general formula MN is:

Accepted Answer

A)  B
B)  Al
C)  Ga
D)  Tl
E)  all of theseF) B) and D)
G) B) and E)

Question 4

Write a balanced equation for each of the following reactions:
-Rubidium metal with O2(g).

Accepted Answer

Rb(s)+ O<s...

Question 5

Write a balanced equation for each of the following reactions:
-Cesium metal with Cl2(g).

Accepted Answer

2Cs(s)+ Cl...

Question 6

What nitrogen-containing compound is used as rocket fuel?

Accepted Answer

A)  nitrous oxide
B)  ammonia
C)  nitric oxide
D)  hydrazine
E)  nitrogen dioxideF) B) and D)
G) A) and B)

Question 7

What process is used to recover sulfur?

Accepted Answer

A)  the Haber process
B)  the Ostwald process
C)  the Frasch process
D)  the contact process
E)  the wet processF) None of the above
G) B) and E)

Question 8

Choose the correct molecular structure for PCl3.

Accepted Answer

A)  trigonal bipyramidal
B)  trigonal planar
C)  tetrahedral
D)  octahedral
E)  none of theseF) A) and C)
G) C) and D)

Question 9

Choose the species that is the most reactive.

Accepted Answer

A)  F2
B)  Cl2
C)  Br2
D)  I2
E)  all are the same.F) A) and D)
G) C) and D)

Question 10

Write a balanced equation for each of the following reactions:
-Lead metal with Br2(l).

Accepted Answer

Pb(s)+ Br<...

Question 11

What nitrogen-containing compound has a role in controlling the earth's temperature?

Accepted Answer

A)  N2O
B)  nitric oxide
C)  nitrogen oxide
D)  ammonia
E)  N2F) B) and E)
G) C) and D)

Question 12

The ability of the Group 5A elements to form __________ greatly decreases after nitrogen.

Accepted Answer

A)  molecules with five covalent bonds
B)  pi bonds
C)  larger molecules with single bonds
D)  molecules with four covalent bonds
E)  all of theseF) B) and E)
G) C) and E)

Question 13

Which group shows the correct order of first ionization energy?

Accepted Answer

A)  Na > P > Cl
B)  Cs > Na > K
C)  K > Ca > Ge
D)  Cs 
E)  Al > Si > PF) None of the above
G) A) and E)

Question 14

In cation-exchange resins,what ion replaces Ca2+ and Mg2+ in the hard water that is passed over the resin?

Accepted Answer

A)  H+
B)  Li+
C)  Na+
D)  K+
E)  Ba2+F) None of the above
G) C) and D)

Question 15

Choose the element with the largest electronegativity.

Accepted Answer

A)  N
B)  P
C)  As
D)  Sb
E)  BiF) D) and E)
G) None of the above

Question 16

Choose the group that matches the following description: contains two of the most important elements found on earth.

Accepted Answer

A)  Group 1A
B)  Group 2A
C)  Group 3A
D)  Group 4A
E)  Group 5AF) A) and E)
G) All of the above

Question 17

Of F,Cl,Br,and I,which of the following correctly lists the largest radius of the anion,the element with the highest electronegativity,and the highest bond energy of the diatomic molecule,respectively?

Accepted Answer

A)  I-,Cl,F2
B)  I-,F,Br2
C)  Br-,Br,I2
D)  I-,F,Cl2
E)  none of theseF) A) and B)
G) C) and E)

Question 18

Dinitrogen monoxide is more commonly known as

Accepted Answer

A)  nitric oxide
B)  laughing gas
C)  hydrazine
D)  nitrous oxide
E)  two of theseF) A) and D)
G) None of the above

Question 19

Choose the metal with the smallest radius.

Accepted Answer

A)  Ca
B)  Na
C)  K
D)  Mg
E)  AlF) B) and C)
G) All of the above

Question 20

Which of the following is a metalloid?

Accepted Answer

A)  carbon
B)  oxygen
C)  hydrogen
D)  copper
E)  siliconF) A) and B)
G) B) and E)

Exam 20: The Representative Elements

Dinitrogen monoxide is more commonly known as

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Choose the metal with the smallest radius.

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Write a balanced equation for each of the following reactions: -Rubidium metal with O2(g).

Correct AnswerverifiedRb(s)+ OView AnswerShow Answer

Choose the correct molecular structure for PCl3.

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The ability of the Group 5A elements to form __________ greatly decreases after nitrogen.

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What process is used to recover sulfur?

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The most important hydride of nitrogen is

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Of F,Cl,Br,and I,which of the following correctly lists the largest radius of the anion,the element with the highest electronegativity,and the highest bond energy of the diatomic molecule,respectively?

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Choose the species with the largest radius.

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Choose the element with the largest electronegativity.

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The element that reacts with N2 to form a compound of the general formula MN is:

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Which group shows the correct order of first ionization energy?

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In cation-exchange resins,what ion replaces Ca2+ and Mg2+ in the hard water that is passed over the resin?

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Write a balanced equation for each of the following reactions: -Lead metal with Br2(l).

Correct AnswerverifiedPb(s)+ Br<...View AnswerShow Answer

Choose the group that matches the following description: contains two of the most important elements found on earth.

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Choose the species that is the most reactive.

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What nitrogen-containing compound is used as rocket fuel?

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Write a balanced equation for each of the following reactions: -Cesium metal with Cl2(g).

Correct Answerverified2Cs(s)+ Cl...View AnswerShow Answer

What nitrogen-containing compound has a role in controlling the earth's temperature?

Correct AnswerverifiedShow Answer

Which of the following is a metalloid?

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Write a balanced equation for each of the following reactions: -Rubidium metal with O₂(g).

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Rb(s)+ O
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Choose the correct molecular structure for PCl₃.

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The element that reacts with N₂to form a compound of the general formula MN is:

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In cation-exchange resins,what ion replaces Ca²⁺ and Mg²⁺ in the hard water that is passed over the resin?

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Write a balanced equation for each of the following reactions: -Lead metal with Br₂(l).

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Pb(s)+ Br<...
View Answer

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Write a balanced equation for each of the following reactions: -Cesium metal with Cl₂(g).

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2Cs(s)+ Cl...
View Answer

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