Question 1

Which of the following species will have the highest ionization energy?

Accepted Answer

A)  K+ 
B)  Ar 
C)  Cl- 
D)  S2- 
A)  K+ 
B)  Ar 
C)  Cl- 
D)  S2-

Question 2

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

Accepted Answer

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

Question 3

Which element has the ground-state electron configuration [ Xe] 6s2  4f14?

Accepted Answer

A)  Po 
B)  Tm 
C)  Yb 
D)  Lu 
A)  Po 
B)  Tm 
C)  Yb 
D)  Lu

Question 4

An element that has the valence electron configuration 4s24p4 belongs to which period and group?

Accepted Answer

A)  period 4; group 16 
B)  period 4; group 6 
C)  period 4; group 8 
D)  period 5; group 6 
E)  period 5; group 18 
A)  period 4; group 16 
B)  period 4; group 6 
C)  period 4; group 8 
D)  period 5; group 6 
E)  period 5; group 18

Question 5

An element that has the outer electron configuration 6s25d4 belongs to which period and group?

Accepted Answer

A)  period 6; group 16 
B)  period 6; group 12 
C)  period 6; group 4 
D)  period 6; group 6 
E)  period 6; group 2 
A)  period 6; group 16 
B)  period 6; group 12 
C)  period 6; group 4 
D)  period 6; group 6 
E)  period 6; group 2

Question 6

An element that has the valence electron configuration 3s23p6 belongs to which period and group?

Accepted Answer

A)  period 3; group 18 
B)  period 3; group 2 
C)  period 3; group 17 
D)  period 3; group 3 
E)  period 3; group 5 
A)  period 3; group 18 
B)  period 3; group 2 
C)  period 3; group 17 
D)  period 3; group 3 
E)  period 3; group 5

Question 7

The s 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 8

Identify the complete electronic configuration for Mn.

Accepted Answer

A)  1s22s22p63s23p64s24d5 
B)  1s22s22p63s23p64s13d6 
C)  1s22s22p63s23p64s23d5 
D)  1s22s22p63s23p64s24p5 
A)  1s22s22p63s23p64s24d5 
B)  1s22s22p63s23p64s13d6 
C)  1s22s22p63s23p64s23d5 
D)  1s22s22p63s23p64s24p5

Question 9

Place the following in order of decreasing IE1. Cs Mg Ar

Accepted Answer

A)  Cs > Mg > Ar 
B)  Mg > Ar > Cs 
C)  Ar > Mg > Cs 
D)  Cs > Ar > Mg 
E)  Mg > Cs > Ar 
A)  Cs > Mg > Ar 
B)  Mg > Ar > Cs 
C)  Ar > Mg > Cs 
D)  Cs > Ar > Mg 
E)  Mg > Cs > Ar

Question 10

Place the following elements in order of decreasing atomic radius. Xe Rb Ar

Accepted Answer

A)  Ar > Xe > Rb 
B)  Xe > Rb > Ar 
C)  Ar > Rb > Xe 
D)  Rb > Xe > Ar 
E)  Rb > Ar > Xe 
A)  Ar > Xe > Rb 
B)  Xe > Rb > Ar 
C)  Ar > Rb > Xe 
D)  Rb > Xe > Ar 
E)  Rb > Ar > Xe

Question 11

Place the following elements in order of increasing atomic radius. As O B

Accepted Answer

A)  As < B < O 
B)  O < As < B 
C)  B < As < O 
D)  As < O < B 
E)  O < B < As 
A)  As < B < O 
B)  O < As < B 
C)  B < As < O 
D)  As < O < B 
E)  O < B < As

Question 12

Using the periodic table, identify the element with the following exception electron configuration: [Xe]6s14f145d9

Accepted Answer

A)  Au 
B)  Pt 
C)  Pd 
D)  Tl 
E)  Hf 
A)  Au 
B)  Pt 
C)  Pd 
D)  Tl 
E)  Hf

Question 13

Which of the following have their valence electrons in the same shell?

Accepted Answer

A)  Li, N, F 
B)  B, Si, As 
C)  N, As, Bi 
D)  He, Ne, F 
A)  Li, N, F 
B)  B, Si, As 
C)  N, As, Bi 
D)  He, Ne, F

Question 14

Of the following, which atom has the smallest atomic radius?

Accepted Answer

A)  K 
B)  As 
C)  Rb 
D)  Sb 
A)  K 
B)  As 
C)  Rb 
D)  Sb

Question 15

How many unpaired electrons are there in the ground-state of As?

Accepted Answer

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

Question 16

How many electrons are in the outermost shell of the Ga3+ ion in its ground state?

Accepted Answer

A)  2 
B)  3 
C)  6 
D)  18 
A)  2 
B)  3 
C)  6 
D)  18

Question 17

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

Accepted Answer

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

Question 18

Identify the most reactive alkali metal with water.

Accepted Answer

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

Question 19

How many valence electrons does an atom of Ba possess?

Accepted Answer

A)  2 
B)  1 
C)  8 
D)  6 
E)  3 
A)  2 
B)  1 
C)  8 
D)  6 
E)  3

Question 20

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

Accepted Answer

A)  [Ar]4s24d54p5 
B)  [Ar]4s23d104p5 
C)  [Ar]4s24d104p5 
D)  [Ar]4s24d104p3 
E)  [Ar]4s23d104p3 
A)  [Ar]4s24d54p5 
B)  [Ar]4s23d104p5 
C)  [Ar]4s24d104p5 
D)  [Ar]4s24d104p3 
E)  [Ar]4s23d104p3

Exam 8: Periodic Properties of the Elements

Which of the following species will have the highest ionization energy?

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

Which element has the ground-state electron configuration [ Xe] 6s2 4f14?

An element that has the valence electron configuration 4s24p4 belongs to which period and group?

An element that has the outer electron configuration 6s25d4 belongs to which period and group?

An element that has the valence electron configuration 3s23p6 belongs to which period and group?

The s orbital can hold a maximum of ________ electrons.

Identify the complete electronic configuration for Mn.

Place the following in order of decreasing IE1. Cs Mg Ar

Place the following elements in order of decreasing atomic radius. Xe Rb Ar

Place the following elements in order of increasing atomic radius. As O B

Using the periodic table, identify the element with the following exception electron configuration: [Xe]6s14f145d9

Which of the following have their valence electrons in the same shell?

Of the following, which atom has the smallest atomic radius?

How many unpaired electrons are there in the ground-state of As?

How many electrons are in the outermost shell of the Ga3+ ion in its ground state?

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

Identify the most reactive alkali metal with water.

How many valence electrons does an atom of Ba possess?

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

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

Which element has the ground-state electron configuration [ Xe] 6s² 4f¹⁴?

An element that has the valence electron configuration 4s²4p⁴ belongs to which period and group?

An element that has the outer electron configuration 6s²5d⁴ belongs to which period and group?

An element that has the valence electron configuration 3s²3p⁶ belongs to which period and group?

Place the following in order of decreasing IE₁. Cs Mg Ar

Using the periodic table, identify the element with the following exception electron configuration: [Xe]6s¹4f¹⁴5d⁹

How many electrons are in the outermost shell of the Ga³⁺ ion in its ground state?