Question 1

An electron in a(n)__________ subshell experiences the greatest effective nuclear charge in a many-electron atom.

Accepted Answer

A) 3f 
B) 3p 
C) 3d 
D) 3s 
E) 4s 
A) 3f 
B) 3p 
C) 3d 
D) 3s 
E) 4s

Question 2

In general, as you go across a period in the periodic table from left to right: (1)the atomic radius __________;
(2)the electron affinity becomes __________ negative; and
(3)the first ionization energy __________.

Accepted Answer

A) decreases, decreasingly, increases 
B) increases, increasingly, decreases 
C) increases, increasingly, increases 
D) decreases, increasingly, increases 
E) decreases, increasingly, decreases 
A) decreases, decreasingly, increases 
B) increases, increasingly, decreases 
C) increases, increasingly, increases 
D) decreases, increasingly, increases 
E) decreases, increasingly, decreases

Question 3

Which of the following correctly represents the second ionization of phosphorus?

Accepted Answer

A) P+ (g)+ e- → P2+ (g) 
B) P (g)→ P+ (g)+ e- 
C) P- (g)+ e- → P2- (g) 
D) P+ (g)→ P2+ (g)+ e- 
E) P+ (g)+ e- → P (g) 
A) P+ (g)+ e- → P2+ (g) 
B) P (g)→ P+ (g)+ e- 
C) P- (g)+ e- → P2- (g) 
D) P+ (g)→ P2+ (g)+ e- 
E) P+ (g)+ e- → P (g)

Question 4

Which metal is a liquid at room temperature?

Accepted Answer

The answer of Which metal is a liquid at room...

Question 5

__________ have the lowest first ionization energies of the groups listed.

Accepted Answer

A) Alkali metals 
B) Transition elements 
C) Halogens 
D) Alkaline earth metals 
E) Noble gases 
A) Alkali metals 
B) Transition elements 
C) Halogens 
D) Alkaline earth metals 
E) Noble gases

Question 6

The reaction of a metal with a nonmetal produces a(n)__________.

Accepted Answer

A) base 
B) salt 
C) acid 
D) oxide 
E) hydroxide 
A) base 
B) salt 
C) acid 
D) oxide 
E) hydroxide

Question 7

Sodium is much more apt to exist as a cation than is chlorine. This is because __________.

Accepted Answer

A) chlorine is a gas and sodium is a solid 
B) chlorine has a greater electron affinity than sodium does 
C) chlorine is bigger than sodium 
D) chlorine has a greater ionization energy than sodium does 
E) chlorine is more metallic than sodium 
A) chlorine is a gas and sodium is a solid 
B) chlorine has a greater electron affinity than sodium does 
C) chlorine is bigger than sodium 
D) chlorine has a greater ionization energy than sodium does 
E) chlorine is more metallic than sodium

Question 8

Electron affinity measures how easily an atom gains an electron.

Accepted Answer

A) True 
 B)False

Question 9

Alkali metals tend to be more reactive than alkaline earth metals because __________.

Accepted Answer

A) alkali metals have lower densities 
B) alkali metals have lower melting points 
C) alkali metals have greater electron affinities 
D) alkali metals have lower ionization energies 
E) alkali metals are not more reactive than alkaline earth metals 
A) alkali metals have lower densities 
B) alkali metals have lower melting points 
C) alkali metals have greater electron affinities 
D) alkali metals have lower ionization energies 
E) alkali metals are not more reactive than alkaline earth metals

Question 10

In which set of elements would all members be expected to have very similar chemical properties?

Accepted Answer

A) O, S, Se 
B) N, O, F 
C) Na, Mg, K 
D) S, Se, Si 
E) Ne, Na, Mg 
A) O, S, Se 
B) N, O, F 
C) Na, Mg, K 
D) S, Se, Si 
E) Ne, Na, Mg

Question 11

In nature, sulfur is most commonly found in __________.

Accepted Answer

A) pure elemental sulfur 
B) sulfur oxides 
C) metal sulfides 
D) sulfuric acid 
E) H2S 
A) pure elemental sulfur 
B) sulfur oxides 
C) metal sulfides 
D) sulfuric acid 
E) H2S

Question 12

[Xe]6s2 is the electron configuration for __________.

Accepted Answer

Question 13

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

Accepted Answer

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

Question 14

Which group 6A element is a metal?

Accepted Answer

A) tellurium and polonium 
B) sulfur 
C) selenium 
D) tellurium 
E) polonium 
A) tellurium and polonium 
B) sulfur 
C) selenium 
D) tellurium 
E) polonium

Question 15

In which orbital does an electron in a phosphorus atom experience the greatest shielding?

Accepted Answer

A) 2p 
B) 3s 
C) 3p 
D) 2s 
E) 1s 
A) 2p 
B) 3s 
C) 3p 
D) 2s 
E) 1s

Question 16

The most common sulfur ion has a charge of __________.

Accepted Answer

A) 2- 
B) 1- 
C) 4+ 
D) 6+ 
E) Sulfur does not form ions. 
A) 2- 
B) 1- 
C) 4+ 
D) 6+ 
E) Sulfur does not form ions.

Question 17

A group of ions all containing the same number of electrons constitute an isoelectronic series.

Accepted Answer

A) True 
 B)False

Question 18

Of the hydrogen halides, only __________ is a weak acid.

Accepted Answer

A) HCl (aq) 
B) HBr (aq) 
C) HF (aq) 
D) HI (aq) 
E) They are all weak acids. 
A) HCl (aq) 
B) HBr (aq) 
C) HF (aq) 
D) HI (aq) 
E) They are all weak acids.

Question 19

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

Accepted Answer

A) Kr > Se > Br > Ga > Ge 
B) Kr > Br > Se > Ge > Ga 
C) Ga > Br > Ge > Kr > Se 
D) Ga > Ge > Se > Br > Kr 
E) Br > Se > Ga > Kr > Ge 
A) Kr > Se > Br > Ga > Ge 
B) Kr > Br > Se > Ge > Ga 
C) Ga > Br > Ge > Kr > Se 
D) Ga > Ge > Se > Br > Kr 
E) Br > Se > Ga > Kr > Ge

Question 20

Alkaline earth metals __________.

Accepted Answer

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

Exam 7: Periodic Properties of the Elements

An electron in a(n)__________ subshell experiences the greatest effective nuclear charge in a many-electron atom.

In general, as you go across a period in the periodic table from left to right: (1)the atomic radius __________; (2)the electron affinity becomes __________ negative; and (3)the first ionization energy __________.

Which of the following correctly represents the second ionization of phosphorus?

Which metal is a liquid at room temperature?

__________ have the lowest first ionization energies of the groups listed.

The reaction of a metal with a nonmetal produces a(n)__________.

Sodium is much more apt to exist as a cation than is chlorine. This is because __________.

Electron affinity measures how easily an atom gains an electron.

Alkali metals tend to be more reactive than alkaline earth metals because __________.

In which set of elements would all members be expected to have very similar chemical properties?

In nature, sulfur is most commonly found in __________.

[Xe]6s2 is the electron configuration for __________.

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

Which group 6A element is a metal?

In which orbital does an electron in a phosphorus atom experience the greatest shielding?

The most common sulfur ion has a charge of __________.

A group of ions all containing the same number of electrons constitute an isoelectronic series.

Of the hydrogen halides, only __________ is a weak acid.

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

Alkaline earth metals __________.

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

In general, as you go across a period in the periodic table from left to right: (1)the atomic radius ; (2)the electron affinity becomes negative; and (3)the first ionization energy __.

[Xe]6s² is the electron configuration for __________.