Question 1

Arrange the following ions in order of increasing ionic radius: K+, P3- , S2-, Cl- increasing radius $\rarr$

Accepted Answer

A)  K+ - 2- 3- 
B)  K+ 3- 2- - 
C)  P3- 2- - + 
D)  Cl- 2- 3- + 
E)  Cl- 2- + 3- 
A)  K+ - 2- 3- 
B)  K+ 3- 2- - 
C)  P3- 2- - + 
D)  Cl- 2- 3- + 
E)  Cl- 2- + 3-

Question 2

The Mg2+ ion is smaller than F-, even though they are isoelectronic.

Accepted Answer

A) True 
 B)False

Question 3

Which of the atoms listed below has the smallest radius

Accepted Answer

A)  Al 
B)  P 
C)  As 
D)  Te 
E)  Na 
A)  Al 
B)  P 
C)  As 
D)  Te 
E)  Na

Question 4

For phosphorus atoms, which ionization energy will show an exceptionally large increase over the previous ionization energy

Accepted Answer

A)  2nd 
B)  3rd 
C)  4th 
D)  5th 
E)  6th 
A)  2nd 
B)  3rd 
C)  4th 
D)  5th 
E)  6th

Question 5

Consider the following reaction: 3Li + Z $\rarr$ Li3Z. What is a reasonable guess for the identity of element Z

Accepted Answer

A)  Be 
B)  B 
C)  C 
D)  N 
E)  None of the above 
A)  Be 
B)  B 
C)  C 
D)  N 
E)  None of the above

Question 6

The law of octaves states that every eighth element has similar properties when arranged in order of increasing

Accepted Answer

A)  nuclear binding energy. 
B)  number of electrons. 
C)  number of neutrons. 
D)  atomic mass. 
E)  atomic number. 
A)  nuclear binding energy. 
B)  number of electrons. 
C)  number of neutrons. 
D)  atomic mass. 
E)  atomic number.

Question 7

Which of the following is the electron configuration for the bromide ion

Accepted Answer

A)  [Ar] 
B)  [Ar]4s23d104p7 
C)  [Kr] 
D)  [Kr]5s24d105p7 
E)  [Xe] 
A)  [Ar] 
B)  [Ar]4s23d104p7 
C)  [Kr] 
D)  [Kr]5s24d105p7 
E)  [Xe]

Question 8

Sodium ions are more reactive than sodium atoms.

Accepted Answer

A) True 
 B)False

Question 9

Which, if any, is the ground-state electron configuration for Ca2+

Accepted Answer

A)  [Ne] or 1s22s22p63s23p6 
B)  [Ar] or 1s22s22p63s23p6 
C)  1s22s22p63s23p5 
D)  [Ar] or 1s22s22p63s23p4 
E)  None of the above 
A)  [Ne] or 1s22s22p63s23p6 
B)  [Ar] or 1s22s22p63s23p6 
C)  1s22s22p63s23p5 
D)  [Ar] or 1s22s22p63s23p4 
E)  None of the above

Question 10

Given the following melting point data, what is a reasonable estimate of the melting point of potassium $\begin{array}{lr}
\text { Lithium } & 180^{\circ} \mathrm{C} \
\text { Sodium } & 98^{\circ} \mathrm{C} \
\text { Rubidium } & 39^{\circ} \mathrm{C} \
\text { Cesium } & 29^{\circ} \mathrm{C}
\end{array}$

Accepted Answer

A)  Around 100oC 
B)  Around 40oC 
C)  Around 190oC 
D)  Around 60oC 
E)  Around 20oC 
A)  Around 100oC 
B)  Around 40oC 
C)  Around 190oC 
D)  Around 60oC 
E)  Around 20oC

Question 11

Consider the element with the electron configuration [Xe]6s24f7. This element is

Accepted Answer

A)  a representative element 
B)  a lanthanide element 
C)  a nonmetal 
D)  an actinide element 
E)  a noble gas 
A)  a representative element 
B)  a lanthanide element 
C)  a nonmetal 
D)  an actinide element 
E)  a noble gas

Question 12

Which of the following elements has the greatest metallic character

Accepted Answer

A)  Br 
B)  Se 
C)  Ni 
D)  As 
E)  Si 
A)  Br 
B)  Se 
C)  Ni 
D)  As 
E)  Si

Question 13

Consider the following reaction 2A + 3F2 $\rarr$ 2AF3. What is a reasonable guess for the identity element A

Accepted Answer

A)  Mg 
B)  Al 
C)  Si 
D)  P 
E)  None of the above 
A)  Mg 
B)  Al 
C)  Si 
D)  P 
E)  None of the above

Question 14

Which of the elements listed below has the smallest first ionization energy

Accepted Answer

A)  C 
B)  Ge 
C)  P 
D)  O 
E)  Se 
A)  C 
B)  Ge 
C)  P 
D)  O 
E)  Se

Question 15

What are the products of the following reaction
SO2(g) + H2O(l) $\rarr$

Accepted Answer

A)  H2SO4(aq) 
B)  H2SO3(aq) 
C)  H2(g) + SO3(g) 
D)  S(s) + H2O(l) 
E)  S(s) + H2(g) + O2(g) 
A)  H2SO4(aq) 
B)  H2SO3(aq) 
C)  H2(g) + SO3(g) 
D)  S(s) + H2O(l) 
E)  S(s) + H2(g) + O2(g)

Question 16

Which one of the following elements forms a stable 1- anion

Accepted Answer

A)  K 
B)  Be 
C)  Al 
D)  O 
E)  I 
A)  K 
B)  Be 
C)  Al 
D)  O 
E)  I

Question 17

Concerning the electron configuration of P, 1s22s22p63s23p4, which, if any, is the configuration for the valence shell electrons only

Accepted Answer

A)  1s22s2 
B)  1s22s22p6 
C)  3s23p4 
D)  3p4 
E)  None of the above 
A)  1s22s2 
B)  1s22s22p6 
C)  3s23p4 
D)  3p4 
E)  None of the above

Question 18

How many electrons does a bromine atom need to fill its outermost s and p subshells

Accepted Answer

A)  8 
B)  7 
C)  5 
D)  3 
E)  1 
A)  8 
B)  7 
C)  5 
D)  3 
E)  1

Question 19

For which of the following reactions is the enthalpy change equal to the third ionization energy of vanadium

Accepted Answer

A)  V2+(g) $\rarr$ V3+(g) + e- 
B)  V3+(g) + e- $\rarr$V2+(g) 
C)  V(g) $\rarr$V3+(g) + 3e- 
D)  V2-(g) + e- $\rarr$V3-(g) 
E)  V3+(g) $\rarr$ V4+(g) + e- 
A)  V2+(g) $\rarr$ V3+(g) + e- 
B)  V3+(g) + e- $\rarr$V2+(g) 
C)  V(g) $\rarr$V3+(g) + 3e- 
D)  V2-(g) + e- $\rarr$V3-(g) 
E)  V3+(g) $\rarr$ V4+(g) + e-

Question 20

Which one of the following elements forms a stable 2+ cation

Accepted Answer

A)  Kr 
B)  I 
C)  Se 
D)  Al 
E)  Ba 
A)  Kr 
B)  I 
C)  Se 
D)  Al 
E)  Ba

Exam 8: Periodic Relationships Among the Elements

Arrange the following ions in order of increasing ionic radius: K+, P3- , S2-, Cl- increasing radius →\rarr→

The Mg2+ ion is smaller than F-, even though they are isoelectronic.

Which of the atoms listed below has the smallest radius

For phosphorus atoms, which ionization energy will show an exceptionally large increase over the previous ionization energy

Consider the following reaction: 3Li + Z →\rarr→ Li3Z. What is a reasonable guess for the identity of element Z

The law of octaves states that every eighth element has similar properties when arranged in order of increasing

Which of the following is the electron configuration for the bromide ion

Sodium ions are more reactive than sodium atoms.

Which, if any, is the ground-state electron configuration for Ca2+

Given the following melting point data, what is a reasonable estimate of the melting point of potassium Lithium 18 Sodium 9 Rubidium 3 Cesium 2

Consider the element with the electron configuration [Xe]6s24f7. This element is

Which of the following elements has the greatest metallic character

Consider the following reaction 2A + 3F2 →\rarr→ 2AF3. What is a reasonable guess for the identity element A

Which of the elements listed below has the smallest first ionization energy

What are the products of the following reaction SO2(g) + H2O(l) →\rarr→

Which one of the following elements forms a stable 1- anion

Concerning the electron configuration of P, 1s22s22p63s23p4, which, if any, is the configuration for the valence shell electrons only

How many electrons does a bromine atom need to fill its outermost s and p subshells

For which of the following reactions is the enthalpy change equal to the third ionization energy of vanadium

Which one of the following elements forms a stable 2+ cation

Chemistry: The Study of Change

Atoms Molecules and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Hybridization of Atomic

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metals Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

Arrange the following ions in order of increasing ionic radius: K⁺, P^3- , S^2-, Cl^- increasing radius $\rarr$

The Mg²⁺ ion is smaller than F^-, even though they are isoelectronic.

Consider the following reaction: 3Li + Z $\rarr$ Li₃Z. What is a reasonable guess for the identity of element Z

Which, if any, is the ground-state electron configuration for Ca²⁺

Consider the element with the electron configuration [Xe]6s²4f⁷. This element is

Consider the following reaction 2A + 3F₂ $\rarr$ 2AF₃. What is a reasonable guess for the identity element A

What are the products of the following reaction SO₂(g) + H₂O(l) $\rarr$

Concerning the electron configuration of P, 1s²2s²2p⁶3s²3p⁴, which, if any, is the configuration for the valence shell electrons only