Question 1

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 2

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

Accepted Answer

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

Question 3

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

Question 4

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 5

An element that has the valence electron configuration 4s2 belongs to which period and group?

Accepted Answer

A) period 4; group 2 
B) period 4; group 14 
C) period 4; group 6 
D) period 4; group 1 
E) period 4; group 9 
A) period 4; group 2 
B) period 4; group 14 
C) period 4; group 6 
D) period 4; group 1 
E) period 4; group 9

Question 6

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 7

How many valence electrons does an atom of Ti possess?

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 8 
E) 0 
A) 2 
B) 4 
C) 6 
D) 8 
E) 0

Question 8

Describe the reaction of the alkali metals with nonmetals.

Accepted Answer

A) inert 
B) vigorous 
C) mild reaction 
D) forms water 
E) dissolves 
A) inert 
B) vigorous 
C) mild reaction 
D) forms water 
E) dissolves

Question 9

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 10

Using the periodic table,identify the element with the following exception electron configuration: [Kr]5s14d5

Accepted Answer

A) Zr 
B) Ni 
C) Re 
D) Tc 
E) Mo 
A) Zr 
B) Ni 
C) Re 
D) Tc 
E) Mo

Question 11

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

Accepted Answer

A) [Ne]3s23p1 
B) [Ne]3s23p3 
C) [Ne]3s23p6 
D) [Ne]3s23p2 
E) [Ne]3s23p4 
A) [Ne]3s23p1 
B) [Ne]3s23p3 
C) [Ne]3s23p6 
D) [Ne]3s23p2 
E) [Ne]3s23p4

Question 12

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 13

How many valence electrons do the noble gases possess?

Accepted Answer

A) 1 
B) 3 
C) 7 
D) 6 
E) 8 
A) 1 
B) 3 
C) 7 
D) 6 
E) 8

Question 14

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

Accepted Answer

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

Question 15

Place the following in order of decreasing IE1. 
Cs$\quad$Mg$\quad$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 16

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 17

Place the following in order of decreasing metallic character. 
P$\quad$As $\quad$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

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

Accepted Answer

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

Question 19

Using the periodic table,identify the element with the following exception electron configuration: [Xe]6s14f145d10

Accepted Answer

A) Hg 
B) Au 
C) Cd 
D) Ir 
E) Rg 
A) Hg 
B) Au 
C) Cd 
D) Ir 
E) Rg

Question 20

Place the following in order of decreasing metallic character. 
C $\quad$O $\quad$N $\quad$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

Exam 8: Periodic Properties of the Elements

How many valence electrons does an atom of Al possess?

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

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

How many valence electrons does an atom of S have?

An element that has the valence electron configuration 4s2 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

How many valence electrons does an atom of Ti possess?

Describe the reaction of the alkali metals with nonmetals.

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

Using the periodic table,identify the element with the following exception electron configuration: [Kr]5s14d5

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

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

How many valence electrons do the noble gases possess?

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

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

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

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

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

Using the periodic table,identify the element with the following exception electron configuration: [Xe]6s14f145d10

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

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 4s² 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

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

Using the periodic table,identify the element with the following exception electron configuration: [Kr]5s¹4d⁵

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

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

Using the periodic table,identify the element with the following exception electron configuration: [Xe]6s¹4f¹⁴5d¹⁰

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