Question 1

Metals can be at room temperature.

Accepted Answer

A)  liquid only 
B)  solid or liquid 
C)  solid only 
D)  solid, liquid, or gas 
E)  liquid or gas 
A)  liquid only 
B)  solid or liquid 
C)  solid only 
D)  solid, liquid, or gas 
E)  liquid or gas

Question 2

The element(s) could be used to produce a red or crimson color in fireworks.

Accepted Answer

A)  Mg or Ba 
B)  Ba 
C)  Ca, Sr, or Li 
D)  Sr 
E)  Na or K 
A)  Mg or Ba 
B)  Ba 
C)  Ca, Sr, or Li 
D)  Sr 
E)  Na or K

Question 3

Of the following statements, _ is not true for oxygen.

Accepted Answer

A)  Dry air is about 79% oxygen. 
B)  The chemical formula of ozone is O3. 
C)  The most stable allotrope of oxygen is O2. 
D)  Oxygen forms peroxide and superoxide anions. 
E)  Oxygen is a colorless gas at room temperature. 
A)  Dry air is about 79% oxygen. 
B)  The chemical formula of ozone is O3. 
C)  The most stable allotrope of oxygen is O2. 
D)  Oxygen forms peroxide and superoxide anions. 
E)  Oxygen is a colorless gas at room temperature.

Question 4

Cl2 (g) + H2O (l) -

Accepted Answer

A)  Cl2 (aq) + H2O (l) 
B)  2 HCl (aq) + O2 (g) 
C)  2 HCl (aq) + O2- (g) 
D)  HCl (aq) + HOCl (aq) 
E)  2 Cl- (aq) + H2O (l) 
A)  Cl2 (aq) + H2O (l) 
B)  2 HCl (aq) + O2 (g) 
C)  2 HCl (aq) + O2- (g) 
D)  HCl (aq) + HOCl (aq) 
E)  2 Cl- (aq) + H2O (l)

Question 5

All of the halogens _ _.

Accepted Answer

A)  exhibit metallic character 
B)  tend to form positive ions of several different charges 
C)  tend to form negative ions of several different charges 
D)  form salts with alkali metals with the formula MX 
E)  exist under ambient conditions as diatomic gases 
A)  exhibit metallic character 
B)  tend to form positive ions of several different charges 
C)  tend to form negative ions of several different charges 
D)  form salts with alkali metals with the formula MX 
E)  exist under ambient conditions as diatomic gases

Question 6

Which ion below has the largest radius?

Accepted Answer

A)  K+  
B)  F-  
C)  Cl-  
D)  Br-  
E)  Na+ 
A)  K+  
B)  F-  
C)  Cl-  
D)  Br-  
E)  Na+

Question 7

Screening by core electrons in atoms is .

Accepted Answer

A)  essentially identical to that by valence electrons 
B)  less efficient than that by valence electrons 
C)  more efficient than that by valence electrons 
D)  responsible for a general decrease in atomic radius going down a group 
E)  both essentially identical to that by valence electrons and responsible for a general decrease in atomic radius going down a group 
A)  essentially identical to that by valence electrons 
B)  less efficient than that by valence electrons 
C)  more efficient than that by valence electrons 
D)  responsible for a general decrease in atomic radius going down a group 
E)  both essentially identical to that by valence electrons and responsible for a general decrease in atomic radius going down a group

Question 8

The have the most negative electron affinities.

Accepted Answer

A)  chalcogens 
B)  transition metals 
C)  alkali metals 
D)  halogens 
E)  alkaline earth metals 
A)  chalcogens 
B)  transition metals 
C)  alkali metals 
D)  halogens 
E)  alkaline earth metals

Question 9

Oxides of most nonmetals combine with water to form .

Accepted Answer

A)  a base 
B)  water 
C)  water and a salt 
D)  hydrogen gas 
E)  an acid 
A)  a base 
B)  water 
C)  water and a salt 
D)  hydrogen gas 
E)  an acid

Question 10

Of the elements below, is the most metallic.

Accepted Answer

A)  magnesium 
B)  cesium 
C)  calcium 
D)  sodium 
E)  barium 
A)  magnesium 
B)  cesium 
C)  calcium 
D)  sodium 
E)  barium

Question 11

In which of the following atoms is the 3s orbital closest to the nucleus?

Accepted Answer

A)  At 
B)  I 
C)  Br 
D)  Cl 
E)  The 3s orbitals are the same distance from the nucleus in all of these atoms. 
A)  At 
B)  I 
C)  Br 
D)  Cl 
E)  The 3s orbitals are the same distance from the nucleus in all of these atoms.

Question 12

Of the following elements, has the most negative electron affinity.

Accepted Answer

A)  Cl 
B)  P 
C)  B 
D)  Al 
E)  Si 
A)  Cl 
B)  P 
C)  B 
D)  Al 
E)  Si

Question 13

Electron affinity measures how easy an atom gains an electron.

Accepted Answer

A) True 
 B)False

Question 14

Of the following elements, which has the largest first ionization energy?

Accepted Answer

A)  Cl 
B)  Br 
C)  Na 
D)  Al 
E)  Se 
A)  Cl 
B)  Br 
C)  Na 
D)  Al 
E)  Se

Question 15

Alkaline earth metals _ .

Accepted Answer

A)  exist as triatomic molecules 
B)  form halides with the formula MX 
C)  form basic oxides 
D)  form monoanions 
E)  have the smallest atomic radius in a given period 
A)  exist as triatomic molecules 
B)  form halides with the formula MX 
C)  form basic oxides 
D)  form monoanions 
E)  have the smallest atomic radius in a given period

Question 16

Oxides of the active metals combine with acid to form .

Accepted Answer

A)  oxygen gas 
B)  hydrogen gas 
C)  water and a salt 
D)  metal hydroxides 
E)  metal hydrides 
A)  oxygen gas 
B)  hydrogen gas 
C)  water and a salt 
D)  metal hydroxides 
E)  metal hydrides

Question 17

The list that correctly indicates the order of metallic character is .

Accepted Answer

A)  Na > K > Rb 
B)  P > S > Se 
C)  Si > P > S 
D)  F > Cl > S 
E)  B > N > C 
A)  Na > K > Rb 
B)  P > S > Se 
C)  Si > P > S 
D)  F > Cl > S 
E)  B > N > C

Question 18

The oxide of which element below can react with hydrochloric acid?

Accepted Answer

A)  selenium 
B)  nitrogen 
C)  sodium 
D)  sulfur 
E)  carbon 
A)  selenium 
B)  nitrogen 
C)  sodium 
D)  sulfur 
E)  carbon

Question 19

Of the following atoms, which has the largest first ionization energy?

Accepted Answer

A)  P 
B)  Br 
C)  O 
D)  I 
E)  C 
A)  P 
B)  Br 
C)  O 
D)  I 
E)  C

Question 20

Write the balanced equation for the reaction of elemental fluorine with liquid water.

Accepted Answer

2H₂O (l) +

Exam 7: Periodic Properties of the Elements

Metals can be at room temperature.

The element(s) could be used to produce a red or crimson color in fireworks.

Of the following statements, _ is not true for oxygen.

Cl2 (g) + H2O (l) -

All of the halogens _ _.

Which ion below has the largest radius?

Screening by core electrons in atoms is .

The have the most negative electron affinities.

Oxides of most nonmetals combine with water to form .

Of the elements below, is the most metallic.

In which of the following atoms is the 3s orbital closest to the nucleus?

Of the following elements, has the most negative electron affinity.

Electron affinity measures how easy an atom gains an electron.

Of the following elements, which has the largest first ionization energy?

Alkaline earth metals _ .

Oxides of the active metals combine with acid to form .

The list that correctly indicates the order of metallic character is .

The oxide of which element below can react with hydrochloric acid?

Of the following atoms, which has the largest first ionization energy?

Write the balanced equation for the reaction of elemental fluorine with liquid water.

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

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