Question 1

Which element forms compounds that are involved in smog and acid rain?

Accepted Answer

A)   carbon
B)   fluorine
C)   chlorine
D)   boron
E)   nitrogenF) A) and C)
G) A) and D)

Question 2

Which, if any, of the following generalized formulas does not exist for interhalogen compounds? (X and Y represent different halogens.)

Accepted Answer

A)   XY
B)   XY2
C)   XY3
D)   XY5
E)   All of these choices are correct.F) All of the above
G) C) and D)

Question 3

Salts of group 1A metals are generally more soluble than those of group 2A metals.

Accepted Answer

A) True 
 B)False

Question 4

Predict the products for the following set of reactants. H2O(l)  + ClF5(l)  →

Accepted Answer

A)   HClO2(aq)  + HF(aq) 
B)   HClO3(aq)  + HF(aq) 
C)   HClO(aq)  + HF(aq) 
D)   HCl(aq)  + HF(aq) 
E)   HClO(aq)  + HFO(aq) F) B) and E)
G) C) and D)

Question 5

Which of the following pairs of elements will form the longest single bond?

Accepted Answer

A)   C, F
B)   C, N
C)   C, S
D)   C, O
E)   C, HF) B) and C)
G) A) and D)

Question 6

Which of the following atoms has the smallest volume?

Accepted Answer

A)   Ba
B)   Cs
C)   Sr
D)   Rb
E)   IF) A) and E)
G) C) and D)

Question 7

Which of the following is an accurate comparison of the properties of nitrogen and oxygen?

Accepted Answer

A)   Both oxygen and nitrogen form anions easily.
B)   Oxygen is a strong oxidizing agent while nitrogen is a strong reducing agent.
C)   Nitrogen uses more oxidation states in its compounds than oxygen does.
D)   Nitrogen is more reactive than oxygen.
E)   Nitrogen does not form naturally-occurring compounds, but oxygen does.F) D) and E)
G) B) and D)

Question 8

Sulfur hexafluoride is a pollutant responsible for acid rain.

Accepted Answer

A) True 
 B)False

Question 9

Predict the molecular shape of XeF3-.

Accepted Answer

A)   linear
B)   trigonal planar
C)   trigonal pyramid
D)   T-shaped
E)   squareF) A) and E)
G) C) and D)

Question 10

Select the element with the lowest first ionization energy.

Accepted Answer

A)   Se
B)   S
C)   Sn
D)   Sr
E)   HF) C) and E)
G) A) and E)

Question 11

Predict the products for the following set of reactants. Cs(s)  + Br2(l)  →

Accepted Answer

A)   CsBr(s) 
B)   CsBr2(s) 
C)   CsBr(l) 
D)   CsBr2(l) 
E)   Cs2Br(s) F) C) and D)
G) B) and D)

Question 12

Which of the following has the most allotropes?

Accepted Answer

A)   carbon
B)   sulfur
C)   oxygen
D)   selenium
E)   nitrogenF) None of the above
G) A) and B)

Question 13

Which of the following is the strongest acid?

Accepted Answer

A)   HClO3
B)   HBrO3
C)   HIO3
D)   HIO2
E)   HClOF) A) and C)
G) D) and E)

Question 14

Which of the following substances is produced when lithium metal reacts with oxygen gas?

Accepted Answer

A)   hydrogen gas
B)   lithium peroxide
C)   an acidic oxide
D)   a basic oxide
E)   lithium hydroxideF) A) and B)
G) None of the above

Question 15

What is the highest oxidation state of chlorine in any of its compounds?

Accepted Answer

A)   -1
B)   0
C)   +1
D)   +3
E)   +7F) A) and C)
G) None of the above

Question 16

Which one of the following trends occurs as one moves down the group 1A (1)  elements from Li to Cs?

Accepted Answer

A)   metallic character decreases
B)   electronegativity increases
C)   melting point increases
D)   first ionization energy increases
E)   chemical reactivity increasesF) A) and B)
G) None of the above

Question 17

The nitrate anion is

Accepted Answer

A)   a strong acid.
B)   a strong base.
C)   amphoteric.
D)   a strong reducing agent.
E)   a strong oxidizing agent.F) A) and D)
G) C) and D)

Question 18

Potassium nitrate is a strong reducing agent.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following statements about the effective nuclear charge, Zeff, is correct?

Accepted Answer

A)   Zeff increases with the size of the atom.
B)   Zeff decreases across a period and increases down a group.
C)   Zeff increases across a period and is relatively constant down a group.
D)   Zeff increases as the value of the principal quantum number increases.
E)   Zeff is greater for hydrogen than for any other element.F) B) and E)
G) B) and D)

Question 20

Predict the products for the following set of reactants. PCl3(l)  + H2O(l)  →

Accepted Answer

A)   H3PO3(aq)  + HCl(aq) 
B)   H3PO4(aq)  + Cl2(g) 
C)   PH3(g)  + HCl(aq)  + O2(g) 
D)   P2O5(s)  + HCl(aq) 
E)   PCl5(l)  + PH3(g)  + O2(g) F) All of the above
G) C) and E)

Exam 14: Periodic Patterns in the Main-Group Elements

Which of the following has the most allotropes?

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What is the highest oxidation state of chlorine in any of its compounds?

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Which one of the following trends occurs as one moves down the group 1A (1) elements from Li to Cs?

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Which of the following is an accurate comparison of the properties of nitrogen and oxygen?

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Which of the following atoms has the smallest volume?

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The nitrate anion is

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Which element forms compounds that are involved in smog and acid rain?

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Which of the following is the strongest acid?

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Which of the following substances is produced when lithium metal reacts with oxygen gas?

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Predict the products for the following set of reactants. Cs(s) + Br2(l) →

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Salts of group 1A metals are generally more soluble than those of group 2A metals.

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Potassium nitrate is a strong reducing agent.

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Which of the following statements about the effective nuclear charge, Zeff, is correct?

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Select the element with the lowest first ionization energy.

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Predict the molecular shape of XeF3-.

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Predict the products for the following set of reactants. H2O(l) + ClF5(l) →

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Which of the following pairs of elements will form the longest single bond?

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Sulfur hexafluoride is a pollutant responsible for acid rain.

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Which, if any, of the following generalized formulas does not exist for interhalogen compounds? (X and Y represent different halogens.)

Correct AnswerverifiedShow Answer

Predict the products for the following set of reactants. PCl3(l) + H2O(l) →

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Which of the following statements about the effective nuclear charge, Z_eff, is correct?

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Predict the molecular shape of XeF₃^-.

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Predict the products for the following set of reactants. H₂O(l) + ClF₅(l) →

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Predict the products for the following set of reactants. PCl₃(l) + H₂O(l) →

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