Question 1

Use the periodic table to determine the ground-state electron configuration for the following element: Cu

Accepted Answer

A)  [Ar]4s23d9 
B)  [Ar]4s13d10 
C)  [Ar]4s24d9 
D)  [Ar]4s14d10 
E)  [Ar]4s24p1 
A)  [Ar]4s23d9 
B)  [Ar]4s13d10 
C)  [Ar]4s24d9 
D)  [Ar]4s14d10 
E)  [Ar]4s24p1 B

Question 2

What is the general valence-electron ground-state electron configuration for neutral alkaline earth metals?

Accepted Answer

A)  ns1 
B)  ns2 
C)  1s22s1 
D)  1s22s2 
A)  ns1 
B)  ns2 
C)  1s22s1 
D)  1s22s2 B

Question 3

Identify the ground-state electron configuration for Pb.

Accepted Answer

A)  [Xe]6s26p2 
B)  [Xe]6s25d106p2 
C)  [Xe]6s25f146d106p2 
D)  [Xe]6s24f145d106p2 
E)  [Xe]6s24f145d106s26p2 
A)  [Xe]6s26p2 
B)  [Xe]6s25d106p2 
C)  [Xe]6s25f146d106p2 
D)  [Xe]6s24f145d106p2 
E)  [Xe]6s24f145d106s26p2 D

Question 4

The f orbital can hold a maximum of ________ electrons.

Accepted Answer

A)  2 
B)  6 
C)  8 
D)  10 
E)  14 
A)  2 
B)  6 
C)  8 
D)  10 
E)  14

Question 5

What was the predicted formula for the oxide of eka-aluminum (gallium)?

Accepted Answer

A)  XO2 
B)  X2O 
C)  XO 
D)  X2O3 
A)  XO2 
B)  X2O 
C)  XO 
D)  X2O3

Question 6

What is the effective nuclear charge experienced by the valence electrons of Ca? (Hint: Use Slater's rule.)

Accepted Answer

A)  2.85 
B)  20 
C)  17.5 
D)  3.00 
E)  3.15 
A)  2.85 
B)  20 
C)  17.5 
D)  3.00 
E)  3.15

Question 7

Use the periodic table to determine the ground-state electron configuration for the following element: F

Accepted Answer

A)  [He]2s22p5 
B)  [He]2s23p5 
C)  [He]3s22p5 
D)  [He]2s21d102p5 
E)  [He]3s23p5 
A)  [He]2s22p5 
B)  [He]2s23p5 
C)  [He]3s22p5 
D)  [He]2s21d102p5 
E)  [He]3s23p5

Question 8

Identify the species that has the smallest radius.

Accepted Answer

A)  cation 
B)  anion 
C)  neutral 
D)  water molecule 
A)  cation 
B)  anion 
C)  neutral 
D)  water molecule

Question 9

Use the periodic table to determine the ground-state electron configuration for the following element: Fe

Accepted Answer

A)  [Ar]4s24d6 
B)  [Ar]4s23d6 
C)  [Ar]4s25d6 
D)  [Ar]4s25d3 
E)  [Ar]4s23d8 
A)  [Ar]4s24d6 
B)  [Ar]4s23d6 
C)  [Ar]4s25d6 
D)  [Ar]4s25d3 
E)  [Ar]4s23d8

Question 10

Use the periodic table to determine the ground-state electron configuration for the following element: Te

Accepted Answer

A)  [Kr]5s24d105p6 
B)  [Kr]5s24d105p4 
C)  [Xe]5s24d105p4 
D)  [Xe]6s25d104f146p4 
E)  [Kr]5s24d6 
A)  [Kr]5s24d105p6 
B)  [Kr]5s24d105p4 
C)  [Xe]5s24d105p4 
D)  [Xe]6s25d104f146p4 
E)  [Kr]5s24d6

Question 11

Place the following in order of increasing metallic character. Rb Cs K Na

Accepted Answer

A)  K < Cs < Na < Rb 
B)  Na < K < Rb < Cs 
C)  Cs < Rb < K < Na 
D)  K < Cs < Rb < Na 
E)  Na < Rb < Cs < K 
A)  K < Cs < Na < Rb 
B)  Na < K < Rb < Cs 
C)  Cs < Rb < K < Na 
D)  K < Cs < Rb < Na 
E)  Na < Rb < Cs < K

Question 12

An element that has the valence electron configuration 6s26p6 belongs to which period and group?

Accepted Answer

A)  period 6; group 16 
B)  period 6; group 18 
C)  period 7; group 16 
D)  period 7; group 18 
E)  period 7; group 17 
A)  period 6; group 16 
B)  period 6; group 18 
C)  period 7; group 16 
D)  period 7; group 18 
E)  period 7; group 17

Question 13

Which ionization process requires the most energy?

Accepted Answer

A)  W(g) → W+(g) + e- 
B)  W+(g) → W2+(g) + e- 
C)  W2+(g) → W3+(g) + e- 
D)  W3+(g) → W4+(g) + e- 
A)  W(g) → W+(g) + e- 
B)  W+(g) → W2+(g) + e- 
C)  W2+(g) → W3+(g) + e- 
D)  W3+(g) → W4+(g) + e-

Question 14

Which ionization process requires the most energy?

Accepted Answer

A)  S(g) → S+(g) + e- 
B)  S+(g) → S2+(g) + e- 
C)  Cl(g) → Cl+(g) + e- 
D)  Cl+(g) → Cl2+(g) + e- 
A)  S(g) → S+(g) + e- 
B)  S+(g) → S2+(g) + e- 
C)  Cl(g) → Cl+(g) + e- 
D)  Cl+(g) → Cl2+(g) + e-

Question 15

Use the periodic table to predict the most stable oxidation state for the following element: Ga

Accepted Answer

A)  +1 
B)  +2 
C)  +3 
D)  -1 
E)  -2 
A)  +1 
B)  +2 
C)  +3 
D)  -1 
E)  -2

Question 16

How many electrons are in the 3d orbital of V?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  10 
A)  2 
B)  3 
C)  4 
D)  5 
E)  10

Question 17

Place the following in order of decreasing metallic character. P As K

Accepted Answer

A)  P > As > K 
B)  As > P > K 
C)  K > P > As 
D)  As > K > P 
E)  K > As > P 
A)  P > As > K 
B)  As > P > K 
C)  K > P > As 
D)  As > K > P 
E)  K > As > P

Question 18

Identify the number of valence electrons for Mn.

Accepted Answer

A)  8 
B)  7 
C)  5 
D)  2 
A)  8 
B)  7 
C)  5 
D)  2

Question 19

An element that has the outer electron configuration 5s24d5 belongs to which period and group?

Accepted Answer

A)  period 4; group 8 
B)  period 5; group 9 
C)  period 5; group 7 
D)  period 5; group 3 
E)  period 5; group 13 
A)  period 4; group 8 
B)  period 5; group 9 
C)  period 5; group 7 
D)  period 5; group 3 
E)  period 5; group 13

Question 20

Place the following ions in order of decreasing radius. Te2⁻ F⁻ O2⁻

Accepted Answer

A)  F⁻ > O2⁻ > Te2⁻ 
B)  F⁻ > Te2⁻ > O2⁻ 
C)  Te2⁻ > O2⁻ > F⁻ 
D)  Te2⁻ > F⁻ > O2⁻ 
E)  O2⁻ > F⁻ > Te2⁻ 
A)  F⁻ > O2⁻ > Te2⁻ 
B)  F⁻ > Te2⁻ > O2⁻ 
C)  Te2⁻ > O2⁻ > F⁻ 
D)  Te2⁻ > F⁻ > O2⁻ 
E)  O2⁻ > F⁻ > Te2⁻

Exam 8: Periodic Properties of the Elements

Use the periodic table to determine the ground-state electron configuration for the following element: Cu

What is the general valence-electron ground-state electron configuration for neutral alkaline earth metals?

Identify the ground-state electron configuration for Pb.

The f orbital can hold a maximum of ________ electrons.

What was the predicted formula for the oxide of eka-aluminum (gallium)?

What is the effective nuclear charge experienced by the valence electrons of Ca? (Hint: Use Slater's rule.)

Use the periodic table to determine the ground-state electron configuration for the following element: F

Identify the species that has the smallest radius.

Use the periodic table to determine the ground-state electron configuration for the following element: Fe

Use the periodic table to determine the ground-state electron configuration for the following element: Te

Place the following in order of increasing metallic character. Rb Cs K Na

An element that has the valence electron configuration 6s26p6 belongs to which period and group?

Which ionization process requires the most energy?

Which ionization process requires the most energy?

Use the periodic table to predict the most stable oxidation state for the following element: Ga

How many electrons are in the 3d orbital of V?

Place the following in order of decreasing metallic character. P As K

Identify the number of valence electrons for Mn.

An element that has the outer electron configuration 5s24d5 belongs to which period and group?

Place the following ions in order of decreasing radius. Te2⁻ F⁻ O2⁻

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry Ii: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

An element that has the valence electron configuration 6s²6p⁶ belongs to which period and group?

An element that has the outer electron configuration 5s²4d⁵ belongs to which period and group?

Place the following ions in order of decreasing radius. Te²⁻ F⁻ O²⁻