Question 1

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

Accepted Answer

A)  [Ar]4s23d5 
B)  [Ar]4s23p5 
C)  [Ar]4s23d104p5 
D)  [Kr]5s24d6 
E)  [Ne]3s23p4 
A)  [Ar]4s23d5 
B)  [Ar]4s23p5 
C)  [Ar]4s23d104p5 
D)  [Kr]5s24d6 
E)  [Ne]3s23p4

Question 2

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

Accepted Answer

A)  [Kr]5s24d105p2 
B)  [Kr]5s25p2 
C)  [Kr]5s25d2 
D)  [Kr]5s24d2 
E)  [Kr]5s24d105p4 
A)  [Kr]5s24d105p2 
B)  [Kr]5s25p2 
C)  [Kr]5s25d2 
D)  [Kr]5s24d2 
E)  [Kr]5s24d105p4

Question 3

How many valence electrons do the halogens possess?

Accepted Answer

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

Question 4

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

Accepted Answer

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

Question 5

Of the following, which element has the highest first ionization energy?

Accepted Answer

A)  beryllium 
B)  boron 
C)  carbon 
D)  lithium 
A)  beryllium 
B)  boron 
C)  carbon 
D)  lithium

Question 6

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

Accepted Answer

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

Question 7

Place the following in order of decreasing metallic character. C O N F

Accepted Answer

A)  O > N > F > C 
B)  F > O > N > C 
C)  C > N > O > F 
D)  F > N > O > C 
E)  N > C > O > F 
A)  O > N > F > C 
B)  F > O > N > C 
C)  C > N > O > F 
D)  F > N > O > C 
E)  N > C > O > F

Question 8

Identify the number of valence electrons for Ni.

Accepted Answer

A)  4 
B)  2 
C)  10 
D)  8 
E)  26 
A)  4 
B)  2 
C)  10 
D)  8 
E)  26

Question 9

Using the periodic table, identify the element with the following exception electron configuration: [Ar]4s13d10

Accepted Answer

A)  Ga 
B)  Zn 
C)  Cu 
D)  Ni 
E)  Cd 
A)  Ga 
B)  Zn 
C)  Cu 
D)  Ni 
E)  Cd

Question 10

How many valence electrons does an atom of Al possess?

Accepted Answer

A)  1 
B)  2 
C)  5 
D)  3 
E)  8 
A)  1 
B)  2 
C)  5 
D)  3 
E)  8

Question 11

An element that has the valence electron configuration 2s22p2 belongs to which period and group?

Accepted Answer

A)  period 1; group 18 
B)  period 2; group 12 
C)  period 2; group 4 
D)  period 2; group 14 
E)  period 2; group 8 
A)  period 1; group 18 
B)  period 2; group 12 
C)  period 2; group 4 
D)  period 2; group 14 
E)  period 2; group 8

Question 12

What period 3 element has the following ionization energies (all in kJ mol-1)? IE1 = 1012 IE2 = 1900 IE3 = 2910 IE4 = 4960 IE5 = 6270 IE6 = 22 200

Accepted Answer

A)  Si 
B)  S 
C)  P 
D)  Cl 
E)  Mg 
A)  Si 
B)  S 
C)  P 
D)  Cl 
E)  Mg

Question 13

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

Accepted Answer

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

Question 14

Identify the number of core electrons for Cd.

Accepted Answer

A)  44 
B)  48 
C)  46 
D)  45 
E)  47 
A)  44 
B)  48 
C)  46 
D)  45 
E)  47

Question 15

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s14d8

Accepted Answer

A)  Tc 
B)  Ru 
C)  Os 
D)  Rh 
E)  V 
A)  Tc 
B)  Ru 
C)  Os 
D)  Rh 
E)  V

Question 16

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

Accepted Answer

A)  [Ar]4s23d104p2 
B)  [Ar]4s23d9 
C)  [Ar]4s23d10 
D)  [Ar]4s24p1 
E)  [Ar]4s23d104p1 
A)  [Ar]4s23d104p2 
B)  [Ar]4s23d9 
C)  [Ar]4s23d10 
D)  [Ar]4s24p1 
E)  [Ar]4s23d104p1

Question 17

The condensed electron configuration of aluminum, element 13, is ________.

Accepted Answer

A)  [He] 2s42p7 
B)  [Ar]3s23s1 
C)  [Ne]3s2 
D)  [He]3s23p1 
E)  [Ne]3s23p1 
A)  [He] 2s42p7 
B)  [Ar]3s23s1 
C)  [Ne]3s2 
D)  [He]3s23p1 
E)  [Ne]3s23p1

Question 18

How many unpaired electrons are present in the ground-state Kr atom?

Accepted Answer

A)  1 
B)  2 
C)  0 
D)  3 
E)  5 
A)  1 
B)  2 
C)  0 
D)  3 
E)  5

Question 19

How many valence electrons does an atom of S have?

Accepted Answer

A)  3 
B)  1 
C)  2 
D)  4 
E)  6 
A)  3 
B)  1 
C)  2 
D)  4 
E)  6

Question 20

Place the following in order of increasing IE1. N F As

Accepted Answer

A)  N < As < F 
B)  As < N < F 
C)  F < N < As 
D)  As < F < N 
E)  F < As < N 
A)  N < As < F 
B)  As < N < F 
C)  F < N < As 
D)  As < F < N 
E)  F < As < N

Exam 8: Periodic Properties of the Elements

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

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

How many valence electrons do the halogens possess?

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

Of the following, which element has the highest first ionization energy?

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

Place the following in order of decreasing metallic character. C O N F

Identify the number of valence electrons for Ni.

Using the periodic table, identify the element with the following exception electron configuration: [Ar]4s13d10

How many valence electrons does an atom of Al possess?

An element that has the valence electron configuration 2s22p2 belongs to which period and group?

What period 3 element has the following ionization energies (all in kJ mol-1)? IE1 = 1012 IE2 = 1900 IE3 = 2910 IE4 = 4960 IE5 = 6270 IE6 = 22 200

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

Identify the number of core electrons for Cd.

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s14d8

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

The condensed electron configuration of aluminum, element 13, is ________.

How many unpaired electrons are present in the ground-state Kr atom?

How many valence electrons does an atom of S have?

Place the following in order of increasing IE1. N F 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

Using the periodic table, identify the element with the following exception electron configuration: [Ar]4s¹3d¹⁰

An element that has the valence electron configuration 2s²2p² belongs to which period and group?

What period 3 element has the following ionization energies (all in kJ mol^-1)? IE₁ = 1012 IE₂ = 1900 IE₃= 2910 IE₄= 4960 IE₅= 6270 IE₆= 22 200

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s¹4d⁸

Place the following in order of increasing IE₁. N F As