Question 1

Of the choices below, which gives the order for first ionization energies?

Accepted Answer

A) Cl > S > Al > Ar > Si 
B) Ar > Cl > S > Si > Al 
C) Al > Si > S > Cl > Ar 
D) Cl > S > Al > Si > Ar 
E) S > Si > Cl > Al > Ar 
A) Cl > S > Al > Ar > Si 
B) Ar > Cl > S > Si > Al 
C) Al > Si > S > Cl > Ar 
D) Cl > S > Al > Si > Ar 
E) S > Si > Cl > Al > Ar

Question 2

All the elements in group 8A are gases at room temperature. Of all the groups in the periodic table, only group __________ contains examples of elements that are gas, liquid, and solid at room temperature.

Accepted Answer

A) 2A 
B) 1A 
C) 7A 
D) 5A 
E) 6A 
A) 2A 
B) 1A 
C) 7A 
D) 5A 
E) 6A

Question 3

Oxides of the active metals combine with water to form __________.

Accepted Answer

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

Question 4

Between which two elements is the difference in metallic character the greatest?

Accepted Answer

A) Rb and O 
B) O and I 
C) Rb and I 
D) Li and O 
E) Li and Rb 
A) Rb and O 
B) O and I 
C) Rb and I 
D) Li and O 
E) Li and Rb

Question 5

2 F2 (g)+ 2 H2O (l)→ __________

Accepted Answer

A) 2 HF (aq)+ 2 HFO (aq) 
B) 2 F- (aq)+ 2 H+ (aq)+ H2O2 (aq) 
C) 4 HF (aq)+ O2 (g) 
D) 2 HF2 (aq)+ 2 OH- (aq) 
E) 4 HF (aq)+ 2 O2- (aq) 
A) 2 HF (aq)+ 2 HFO (aq) 
B) 2 F- (aq)+ 2 H+ (aq)+ H2O2 (aq) 
C) 4 HF (aq)+ O2 (g) 
D) 2 HF2 (aq)+ 2 OH- (aq) 
E) 4 HF (aq)+ 2 O2- (aq)

Question 6

An alkali metal forms a compound with chlorine with the formula __________. (The symbol M represents any one of the alkali metals.)

Accepted Answer

A) M2Cl2 
B) M2Cl 
C) MCl2 
D) MCl 
E) MCl3 
A) M2Cl2 
B) M2Cl 
C) MCl2 
D) MCl 
E) MCl3

Question 7

Elements in the modern version of the periodic table are arranged in order of increasing __________.

Accepted Answer

A) oxidation number 
B) atomic mass 
C) average atomic mass 
D) atomic number 
E) number of isotopes 
A) oxidation number 
B) atomic mass 
C) average atomic mass 
D) atomic number 
E) number of isotopes

Question 8

__________ is a unique element and does not truly belong to any family.

Accepted Answer

A) Nitrogen 
B) Radium 
C) Hydrogen 
D) Uranium 
E) Helium 
A) Nitrogen 
B) Radium 
C) Hydrogen 
D) Uranium 
E) Helium

Question 9

Of the elements below, __________ is the most metallic.

Accepted Answer

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

Question 10

The atomic radius of main-group elements generally increases down a group because __________.

Accepted Answer

A) effective nuclear charge increases down a group 
B) effective nuclear charge decreases down a group 
C) effective nuclear charge zigzags down a group 
D) the principal quantum number of the valence orbitals increases 
E) both effective nuclear charge increases down a group and the principal quantum number of the valence orbitals increases 
A) effective nuclear charge increases down a group 
B) effective nuclear charge decreases down a group 
C) effective nuclear charge zigzags down a group 
D) the principal quantum number of the valence orbitals increases 
E) both effective nuclear charge increases down a group and the principal quantum number of the valence orbitals increases

Question 11

Which of the following generalizations cannot be made with regard to reactions of alkali metals? (The symbol M represents any one of the alkali metals.)

Accepted Answer

A) M (s)+ O2 (g)→ M O2 (s) 
B) 2M (s)+ 2 H2O (l)→ 2MOH (aq)+ H2 (g) 
C) 2M (s)+ H2 (g)→ 2MH (s) 
D) 2M (s)+ Cl2 (g)→ 2MCl (s) 
E) 2M (s)+ S (s)→ M2S (s) 
A) M (s)+ O2 (g)→ M O2 (s) 
B) 2M (s)+ 2 H2O (l)→ 2MOH (aq)+ H2 (g) 
C) 2M (s)+ H2 (g)→ 2MH (s) 
D) 2M (s)+ Cl2 (g)→ 2MCl (s) 
E) 2M (s)+ S (s)→ M2S (s)

Question 12

Which of the following is not a characteristic of metals?

Accepted Answer

A) acidic oxides 
B) low ionization energies 
C) malleability 
D) ductility 
E) These are all characteristics of metals. 
A) acidic oxides 
B) low ionization energies 
C) malleability 
D) ductility 
E) These are all characteristics of metals.

Question 13

The most common and stable allotrope of sulfur is __________.

Accepted Answer

A) S 
B) S2 
C) S4 
D) S8 
E) Sulfur does not form allotropes. 
A) S 
B) S2 
C) S4 
D) S8 
E) Sulfur does not form allotropes.

Question 14

Atomic radius generally decreases as we move __________.

Accepted Answer

A) down a group and from right to left across a period 
B) up a group and from left to right across a period 
C) down a group and from left to right across a period 
D) up a group and from right to left across a period 
E) down a group; the period position has no effect 
A) down a group and from right to left across a period 
B) up a group and from left to right across a period 
C) down a group and from left to right across a period 
D) up a group and from right to left across a period 
E) down a group; the period position has no effect

Question 15

Write the balanced equation for the reaction of potassium with water.

Accepted Answer

2K (s)+ 2

Question 16

Element M reacts with chlorine to form a compound with the formula MCl2. Element M is more reactive than magnesium and has a smaller radius than barium. This element is __________.

Accepted Answer

A) Sr 
B) K 
C) Na 
D) Ra 
E) Be 
A) Sr 
B) K 
C) Na 
D) Ra 
E) Be

Question 17

Of the compounds below, __________ has the smallest ionic separation.

Accepted Answer

A) KF 
B) K2S 
C) RbCl 
D) SrBr2 
E) RbF 
A) KF 
B) K2S 
C) RbCl 
D) SrBr2 
E) RbF

Question 18

Which of the following is an isoelectronic series?

Accepted Answer

A) B5-, Si4-, As3-, Te2- 
B) F-, Cl-, Br-, I- 
C) S, Cl, Ar, K 
D) Si2-, P2-, S2-, Cl2- 
E) O2-, F-, Ne, Na+ 
A) B5-, Si4-, As3-, Te2- 
B) F-, Cl-, Br-, I- 
C) S, Cl, Ar, K 
D) Si2-, P2-, S2-, Cl2- 
E) O2-, F-, Ne, Na+

Question 19

Element X reacts with chlorine to form a compound with the formula XCl2. The oxide of element X is basic. Element X is __________.

Accepted Answer

A) Rb 
B) Ca 
C) Al 
D) P 
E) H 
A) Rb 
B) Ca 
C) Al 
D) P 
E) H

Question 20

Which of the following correctly represents the third ionization of aluminum?

Accepted Answer

A) Al+2 (g)+ e- → Al+1 (g) 
B) Al (g)→ Al+ (g)+ e- 
C) Al-2 (g)+ e- → Al3- (g) 
D) Al+2 (g)+ e- → Al3+ (g) 
E) Al+2 (g)→ Al3+ (g)+ e- 
A) Al+2 (g)+ e- → Al+1 (g) 
B) Al (g)→ Al+ (g)+ e- 
C) Al-2 (g)+ e- → Al3- (g) 
D) Al+2 (g)+ e- → Al3+ (g) 
E) Al+2 (g)→ Al3+ (g)+ e-

Exam 7: Periodic Properties of the Elements

Of the choices below, which gives the order for first ionization energies?

All the elements in group 8A are gases at room temperature. Of all the groups in the periodic table, only group __________ contains examples of elements that are gas, liquid, and solid at room temperature.

Oxides of the active metals combine with water to form __________.

Between which two elements is the difference in metallic character the greatest?

2 F2 (g)+ 2 H2O (l)→ __________

An alkali metal forms a compound with chlorine with the formula __________. (The symbol M represents any one of the alkali metals.)

Elements in the modern version of the periodic table are arranged in order of increasing __________.

__________ is a unique element and does not truly belong to any family.

Of the elements below, __________ is the most metallic.

The atomic radius of main-group elements generally increases down a group because __________.

Which of the following generalizations cannot be made with regard to reactions of alkali metals? (The symbol M represents any one of the alkali metals.)

Which of the following is not a characteristic of metals?

The most common and stable allotrope of sulfur is __________.

Atomic radius generally decreases as we move __________.

Write the balanced equation for the reaction of potassium with water.

Element M reacts with chlorine to form a compound with the formula MCl2. Element M is more reactive than magnesium and has a smaller radius than barium. This element is __________.

Of the compounds below, __________ has the smallest ionic separation.

Which of the following is an isoelectronic series?

Element X reacts with chlorine to form a compound with the formula XCl2. The oxide of element X is basic. Element X is __________.

Which of the following correctly represents the third ionization of aluminum?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

2 F₂ (g)+ 2 H₂O (l)→ __________

Element M reacts with chlorine to form a compound with the formula MCl₂. Element M is more reactive than magnesium and has a smaller radius than barium. This element is __________.

Element X reacts with chlorine to form a compound with the formula XCl₂. The oxide of element X is basic. Element X is __________.