Question 1

Ozone is a (an)__________ of oxygen.

Accepted Answer

A) isotope 
B) allotrope 
C) precursor 
D) peroxide 
E) free radical 
A) isotope 
B) allotrope 
C) precursor 
D) peroxide 
E) free radical

Question 2

What is the coefficient of M when the following equation is completed and balanced if M is an alkali metal? M (s)+ H2O (l)→

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 0 
A) 1 
B) 2 
C) 3 
D) 4 
E) 0

Question 3

Which equation correctly represents the electron affinity of calcium?

Accepted Answer

A) Ca (g)+ e- → Ca- (g) 
B) Ca (g)→ Ca+ (g)+ e- 
C) Ca (g)→ Ca- (g)+ e- 
D) Ca- (g)→ Ca (g)+ e- 
E) Ca+ (g)+ e- → Ca (g) 
A) Ca (g)+ e- → Ca- (g) 
B) Ca (g)→ Ca+ (g)+ e- 
C) Ca (g)→ Ca- (g)+ e- 
D) Ca- (g)→ Ca (g)+ e- 
E) Ca+ (g)+ e- → Ca (g)

Question 4

Which one of the following atoms has the largest radius?

Accepted Answer

A) O 
B) F 
C) S 
D) Cl 
E) Ne 
A) O 
B) F 
C) S 
D) Cl 
E) Ne

Question 5

Oxides of most nonmetals combine with base to form __________.

Accepted Answer

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

Question 6

Which ion below has the largest radius?

Accepted Answer

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

Question 7

Consider the general valence electron configuration of ns2np5 and the following statements: (i)Elements with this electron configuration are expected to form -1 anions.
(ii)Elements with this electron configuration are expected to have large
Positive electron affinities.
(iii)Elements with this electron configuration are nonmetals.
(iv)Elements with this electron configuration form acidic oxides.
Which statements are true?

Accepted Answer

A) (i)and (ii) 
B) (i), (ii), and (iii) 
C) (ii)and (iii) 
D) (i), (iii,)and (iv) 
E) All statements are true. 
A) (i)and (ii) 
B) (i), (ii), and (iii) 
C) (ii)and (iii) 
D) (i), (iii,)and (iv) 
E) All statements are true.

Question 8

Of the elements below, __________ has the highest melting point.

Accepted Answer

A) Ca 
B) K 
C) Fe 
D) Na 
E) Ba 
A) Ca 
B) K 
C) Fe 
D) Na 
E) Ba

Question 9

Which nonmetal exists as a diatomic solid?

Accepted Answer

A) bromine 
B) antimony 
C) phosphorus 
D) iodine 
E) boron 
A) bromine 
B) antimony 
C) phosphorus 
D) iodine 
E) boron

Question 10

What are the elements called that are located between the metals and non-metals?

Accepted Answer

The answer of What are the elements called that are...

Question 11

The only noble gas that does not have the ns2np6 valence electron configuration is __________.

Accepted Answer

A) radon 
B) neon 
C) helium 
D) krypton 
E) All noble gases have the ns2np6 valence electron configuration. 
A) radon 
B) neon 
C) helium 
D) krypton 
E) All noble gases have the ns2np6 valence electron configuration.

Question 12

Which equation correctly represents the first ionization of phosphorus?

Accepted Answer

A) P (g)+ e- → P- (g) 
B) P (g)→ P- (g)+ e- 
C) P (g)→ P+ (g)+ e- 
D) P- (g)→ P (g)+ e- 
E) P+ (g)+ e- → P (g) 
A) P (g)+ e- → P- (g) 
B) P (g)→ P- (g)+ e- 
C) P (g)→ P+ (g)+ e- 
D) P- (g)→ P (g)+ e- 
E) P+ (g)+ e- → P (g)

Question 13

Which of the following correctly represents the electron affinity of bromine?

Accepted Answer

A) Br (g)→ Br+ (g)+ e- 
B) Br (g)+ e- → Br- (g) 
C) Br2 (g)+ e- → Br- (g) 
D) Br2 (g)+ 2 e- → 2 Br- (g) 
E) Br+ (g)+ e- → Br (g) 
A) Br (g)→ Br+ (g)+ e- 
B) Br (g)+ e- → Br- (g) 
C) Br2 (g)+ e- → Br- (g) 
D) Br2 (g)+ 2 e- → 2 Br- (g) 
E) Br+ (g)+ e- → Br (g)

Question 14

This element is more reactive than lithium and magnesium but less reactive than potassium. This element is __________.

Accepted Answer

A) Na 
B) Rb 
C) Ca 
D) Be 
E) Fr 
A) Na 
B) Rb 
C) Ca 
D) Be 
E) Fr

Question 15

Which equation correctly represents the first ionization of calcium?

Accepted Answer

A) Ca (g)→ Ca+ (g)+ e- 
B) Ca (g)→ Ca- (g)+ e- 
C) Ca (g)+ e- → Ca- (g) 
D) Ca- (g)→ Ca (g)+ e- 
E) Ca+ (g)+ e- → Ca (g) 
A) Ca (g)→ Ca+ (g)+ e- 
B) Ca (g)→ Ca- (g)+ e- 
C) Ca (g)+ e- → Ca- (g) 
D) Ca- (g)→ Ca (g)+ e- 
E) Ca+ (g)+ e- → Ca (g)

Question 16

The effective nuclear charge of an atom is primarily affected by __________.

Accepted Answer

A) inner electrons 
B) outer electrons 
C) nuclear charge 
D) electron distribution 
E) orbital radial probability 
A) inner electrons 
B) outer electrons 
C) nuclear charge 
D) electron distribution 
E) orbital radial probability

Question 17

What is the coefficient of H2O when the following equation is completed and balanced? Ba (s)+ H2O (l)→

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 5 
E) Ba(s)does not react with H2O (l). 
A) 1 
B) 2 
C) 3 
D) 5 
E) Ba(s)does not react with H2O (l).

Question 18

__________ is credited with developing the concept of atomic numbers.

Accepted Answer

A) Dmitri Mendeleev 
B) Lothar Meyer 
C) Henry Moseley 
D) Ernest Rutherford 
E) Michael Faraday 
A) Dmitri Mendeleev 
B) Lothar Meyer 
C) Henry Moseley 
D) Ernest Rutherford 
E) Michael Faraday

Question 19

Of the following species, __________ has the largest radius.

Accepted Answer

A) Rb+ 
B) Sr2+ 
C) Br- 
D) Kr 
E) Ar 
A) Rb+ 
B) Sr2+ 
C) Br- 
D) Kr 
E) Ar

Question 20

The effective nuclear charge in an atom is proportional to the number of nuclear protons.

Accepted Answer

A) True 
 B)False

Exam 7: Periodic Properties of the Elements

Ozone is a (an)__________ of oxygen.

What is the coefficient of M when the following equation is completed and balanced if M is an alkali metal? M (s)+ H2O (l)→

Which equation correctly represents the electron affinity of calcium?

Which one of the following atoms has the largest radius?

Oxides of most nonmetals combine with base to form __________.

Which ion below has the largest radius?

Of the elements below, __________ has the highest melting point.

Which nonmetal exists as a diatomic solid?

What are the elements called that are located between the metals and non-metals?

The only noble gas that does not have the ns2np6 valence electron configuration is __________.

Which equation correctly represents the first ionization of phosphorus?

Which of the following correctly represents the electron affinity of bromine?

This element is more reactive than lithium and magnesium but less reactive than potassium. This element is __________.

Which equation correctly represents the first ionization of calcium?

The effective nuclear charge of an atom is primarily affected by __________.

What is the coefficient of H2O when the following equation is completed and balanced? Ba (s)+ H2O (l)→

__________ is credited with developing the concept of atomic numbers.

Of the following species, __________ has the largest radius.

The effective nuclear charge in an atom is proportional to the number of nuclear protons.

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

What is the coefficient of M when the following equation is completed and balanced if M is an alkali metal? M (s)+ H₂O (l)→

The only noble gas that does not have the ns²np⁶valence electron configuration is __________.

What is the coefficient of H₂O when the following equation is completed and balanced? Ba (s)+ H₂O (l)→