Question 1

Which of the following is an amphoteric oxide?

Accepted Answer

A) Na2O 
B) MgO 
C) Al2O3 
D) SO2 
E) Cl2O7 
A) Na2O 
B) MgO 
C) Al2O3 
D) SO2 
E) Cl2O7

Question 2

Which of the following is the general electron configuration for the outermost electrons of the elements in Group 5A?

Accepted Answer

A) ns2np6 
B) ns2np5 
C) ns2np4 
D) ns2np3 
E) ns2np1 
A) ns2np6 
B) ns2np5 
C) ns2np4 
D) ns2np3 
E) ns2np1

Question 3

Write the ground-state electron configuration for Ni2+.

Accepted Answer

[Ar]3d⁸ or

Question 4

Which of the following make an isoelectronic pair: Cl-, O2-, F, Ca2+, Fe3+?

Accepted Answer

A) Ca2+ and Fe3+ 
B) O2- and F 
C) F and Cl- 
D) Cl- and Ca2+ 
E) None of the above. 
A) Ca2+ and Fe3+ 
B) O2- and F 
C) F and Cl- 
D) Cl- and Ca2+ 
E) None of the above.

Question 5

Which one of the following does not have [Kr] as its electronic configuration?

Accepted Answer

A) Se2- 
B) Br- 
C) Rb+ 
D) Y3+ 
E) Zn2+ 
A) Se2- 
B) Br- 
C) Rb+ 
D) Y3+ 
E) Zn2+

Question 6

Which element will display an unusually large jump in ionization energy values between I3 and I4, its third and fourth ionization energies?

Accepted Answer

A) Na 
B) Mg 
C) Al 
D) Si 
E) P 
A) Na 
B) Mg 
C) Al 
D) Si 
E) P

Question 7

If the radius of atom X is greater than the radius of atom Y, then it is also likely that

Accepted Answer

A) X has a larger electron affinity than Y does. 
B) X has a larger effective nuclear charge than Y does. 
C) X has greater metallic character than Y does. 
D) X has a larger first ionization energy than Y does. 
E) X is a poorer conductor of electricity than Y when in the solid state. 
A) X has a larger electron affinity than Y does. 
B) X has a larger effective nuclear charge than Y does. 
C) X has greater metallic character than Y does. 
D) X has a larger first ionization energy than Y does. 
E) X is a poorer conductor of electricity than Y when in the solid state.

Question 8

Which of the following elements behaves chemically similarly to calcium?

Accepted Answer

A) magnesium 
B) sodium 
C) sulfur 
D) chlorine 
E) iron 
A) magnesium 
B) sodium 
C) sulfur 
D) chlorine 
E) iron

Question 9

Which of the elements listed below has the greatest atomic radius?

Accepted Answer

A) B 
B) Al 
C) S 
D) P 
E) Si 
A) B 
B) Al 
C) S 
D) P 
E) Si

Question 10

Concerning the electron configuration of sulfur, 1s22s22p63s23p4, which of the following represents the core electrons only?

Accepted Answer

A) 1s2 
B) 1s22s2 
C) 1s22s22p6 
D) 1s22s22p63s2 
E) 3s23p4 
A) 1s2 
B) 1s22s2 
C) 1s22s22p6 
D) 1s22s22p63s2 
E) 3s23p4

Question 11

Given the following melting point data, what is a reasonable estimate of the melting point of potassium.

Accepted Answer

The answer of Given the following melting point data, what...

Question 12

Write the ground-state electron configuration for K+.

Accepted Answer

Question 13

Which of the following ground-state ions has unpaired electrons?

Accepted Answer

A) P3- 
B) V5+ 
C) Mg2+ 
D) Sc2+ 
E) S2+ 
A) P3- 
B) V5+ 
C) Mg2+ 
D) Sc2+ 
E) S2+

Question 14

Which of the following ground-state ions has the largest number of unpaired electrons?

Accepted Answer

A) Cr2+ 
B) Mn2+ 
C) Ni2+ 
D) Cu+ 
E) Co2+ 
A) Cr2+ 
B) Mn2+ 
C) Ni2+ 
D) Cu+ 
E) Co2+

Question 15

Consider the element with the electron configuration [Kr]5s24d7.This element is

Accepted Answer

A) a representative element. 
B) a transition metal. 
C) a nonmetal. 
D) an actinide element. 
E) a noble gas. 
A) a representative element. 
B) a transition metal. 
C) a nonmetal. 
D) an actinide element. 
E) a noble gas.

Question 16

Which of the following is the electron configuration for the aluminum ion?

Accepted Answer

A) 1s22s22p63s2 
B) 1s22s22p63s23p2 
C) 1s22s22p63s23p1 
D) 1s22s22p6 
E) 1s22s22p63s23p4 
A) 1s22s22p63s2 
B) 1s22s22p63s23p2 
C) 1s22s22p63s23p1 
D) 1s22s22p6 
E) 1s22s22p63s23p4

Question 17

Which of the following elements is found as a monatomic species in its most stable form?

Accepted Answer

A) sulfur 
B) oxygen 
C) hydrogen 
D) argon 
E) phosphorus 
A) sulfur 
B) oxygen 
C) hydrogen 
D) argon 
E) phosphorus

Question 18

Which of the following is a basic oxide?

Accepted Answer

A) CO2 
B) CaO 
C) SO2 
D) H2O 
E) NO2 
A) CO2 
B) CaO 
C) SO2 
D) H2O 
E) NO2

Question 19

Which of the following is a basic oxide?

Accepted Answer

A) CO2 
B) MgO 
C) As2O3 
D) SO2 
E) Cl2O7 
A) CO2 
B) MgO 
C) As2O3 
D) SO2 
E) Cl2O7

Question 20

Write the products of the following reaction:
CO2(g)+ H2O(l)$\rarr$

Accepted Answer

Exam 8: Periodic Relationships Among the Elements

Which of the following is an amphoteric oxide?

Which of the following is the general electron configuration for the outermost electrons of the elements in Group 5A?

Write the ground-state electron configuration for Ni2+.

Which of the following make an isoelectronic pair: Cl-, O2-, F, Ca2+, Fe3+?

Which one of the following does not have [Kr] as its electronic configuration?

Which element will display an unusually large jump in ionization energy values between I3 and I4, its third and fourth ionization energies?

If the radius of atom X is greater than the radius of atom Y, then it is also likely that

Which of the following elements behaves chemically similarly to calcium?

Which of the elements listed below has the greatest atomic radius?

Concerning the electron configuration of sulfur, 1s22s22p63s23p4, which of the following represents the core electrons only?

Given the following melting point data, what is a reasonable estimate of the melting point of potassium.

Write the ground-state electron configuration for K+.

Which of the following ground-state ions has unpaired electrons?

Which of the following ground-state ions has the largest number of unpaired electrons?

Consider the element with the electron configuration [Kr]5s24d7.This element is

Which of the following is the electron configuration for the aluminum ion?

Which of the following elements is found as a monatomic species in its most stable form?

Which of the following is a basic oxide?

Which of the following is a basic oxide?

Write the products of the following reaction: CO2(g)+ H2O(l) →\rarr→

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 Orbitals

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 Metal Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

Write the ground-state electron configuration for Ni²⁺.

Which of the following make an isoelectronic pair: Cl^-, O^2-, F, Ca²⁺, Fe³⁺?

Which element will display an unusually large jump in ionization energy values between I₃ and I₄, its third and fourth ionization energies?

Concerning the electron configuration of sulfur, 1s²2s²2p⁶3s²3p⁴, which of the following represents the core electrons only?

Write the ground-state electron configuration for K⁺.

Consider the element with the electron configuration [Kr]5s²4d⁷.This element is

Write the products of the following reaction: CO₂(g)+ H₂O(l) $\rarr$