Question 1

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 C

Question 2

Place the following in order of increasing metallic character. 
Rb $\quad$Cs $\quad$K $\quad$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 B

Question 3

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

Accepted Answer

A) Sr 
B) Br 
C) K 
D) Te 
A) Sr 
B) Br 
C) K 
D) Te B

Question 4

An element that has the valence electron configuration 3s1 belongs to which period and group?

Accepted Answer

A) period 4; group 7 
B) period 4; group 2 
C) period 4; group 1 
D) period 3; group 2 
E) period 3; group 1 
A) period 4; group 7 
B) period 4; group 2 
C) period 4; group 1 
D) period 3; group 2 
E) period 3; group 1

Question 5

Which of the following have the same number of valence electrons?

Accepted Answer

A) Rb,Sb,I 
B) Ga,Sn,Bi 
C) As,Sb,Bi 
D) Ar,Kr,Br 
A) Rb,Sb,I 
B) Ga,Sn,Bi 
C) As,Sb,Bi 
D) Ar,Kr,Br

Question 6

Place the following ions in order of decreasing radius. 
Te2- $\quad$F- $\quad$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-

Question 7

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 8

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 9

Why does the size of the transition elements stay roughly the same as you move across a period?

Accepted Answer

The electrons added as the transition el

Question 10

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 11

Which reaction below represents the electron affinity of Li?

Accepted Answer

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

Question 12

Place the following ions in order of increasing radius. 
Ca2+$\quad$ S2- $\quad$Cl-

Accepted Answer

A) Ca2+ -2- 
B) Cl- 2+ 2- 
C) S2+ - 2+ 
D) Ca2+ 2- - 
E) Cl- 2- 2+ 
A) Ca2+ -2- 
B) Cl- 2+ 2- 
C) S2+ - 2+ 
D) Ca2+ 2- - 
E) Cl- 2- 2+

Question 13

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

Accepted Answer

A) [Ar]4s23d1 
B) [Ar]4s23d2 
C) [Ar]4s3 
D) [Ar]3d3 
E) [Ar]4s23d3 
A) [Ar]4s23d1 
B) [Ar]4s23d2 
C) [Ar]4s3 
D) [Ar]3d3 
E) [Ar]4s23d3

Question 14

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 15

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

Accepted Answer

A) Sr 
B) Rb 
C) Na 
D) Ca 
A) Sr 
B) Rb 
C) Na 
D) Ca

Question 16

Choose the statement that is TRUE.

Accepted Answer

A) Outer electrons efficiently shield one another from nuclear charge. 
B) Core electrons effectively shield outer electrons from nuclear charge. 
C) Valence electrons are the most difficult of all electrons to remove. 
D) Core electrons are the easiest of all electrons to remove. 
A) Outer electrons efficiently shield one another from nuclear charge. 
B) Core electrons effectively shield outer electrons from nuclear charge. 
C) Valence electrons are the most difficult of all electrons to remove. 
D) Core electrons are the easiest of all electrons to remove.

Question 17

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 18

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 19

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 20

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

Exam 8: Periodic Properties of the Elements

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

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

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

An element that has the valence electron configuration 3s1 belongs to which period and group?

Which of the following have the same number of valence electrons?

Place the following ions in order of decreasing radius. Te2- \quad F- \quad O2-

Identify the complete electronic configuration for Mn.

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

Why does the size of the transition elements stay roughly the same as you move across a period?

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

Which reaction below represents the electron affinity of Li?

Place the following ions in order of increasing radius. Ca2+ \quad S2- \quad Cl-

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

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

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

Choose the statement that is TRUE.

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

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

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

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

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 outer electron configuration 5s²4d⁵ belongs to which period and group?

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

An element that has the valence electron configuration 3s¹ belongs to which period and group?

Place the following ions in order of decreasing radius. Te²^- $\quad$ F^- $\quad$ O²^-

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

Place the following ions in order of increasing radius. Ca²^{+ $\quad$} S²^- $\quad$ Cl^-

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

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