Question 1

Which of the following elements has the smallest first ionization energy?

Accepted Answer

A) Cl 
B) Na 
C) Be 
D) K 
E) As 
A) Cl 
B) Na 
C) Be 
D) K 
E) As

Question 2

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

Question 3

Write the ground-state electron configuration for I-.

Accepted Answer

[Xe] or 1s

Question 4

Electron affinity is always a positive quantity.

Accepted Answer

A) True 
 B)False

Question 5

Write the ground-state electron configuration for Br-.

Accepted Answer

[Kr] or 1s

Question 6

The elements in Group 2A are known by what name?

Accepted Answer

A) transition metals 
B) halogens 
C) alkali metals 
D) alkaline earth metals 
E) noble gases 
A) transition metals 
B) halogens 
C) alkali metals 
D) alkaline earth metals 
E) noble gases

Question 7

Since zirconium is a metal, ZrO2 is expected to be a/an _____ oxide.

Accepted Answer

A) acidic 
B) ionic 
C) amphoteric 
D) neutral 
E) basic 
A) acidic 
B) ionic 
C) amphoteric 
D) neutral 
E) basic

Question 8

Which two electron configurations represent elements that would have similar chemical properties? (1)1s22s22p4 (2)1s22s22p5 (3)[Ar]4s23d5 (4)[Ar]4s23d104p5

Accepted Answer

A) (1)and (2) 
B) (1)and (3) 
C) (2)and (3) 
D) (2)and (4) 
E) (3)and (4) 
A) (1)and (2) 
B) (1)and (3) 
C) (2)and (3) 
D) (2)and (4) 
E) (3)and (4)

Question 9

Which of the following is the general electron configuration for the outermost electrons of the halogens?

Accepted Answer

A) ns2np6 
B) ns2np5 
C) ns2np6(n -1)d7 
D) ns1 
E) ns2np7 
A) ns2np6 
B) ns2np5 
C) ns2np6(n -1)d7 
D) ns1 
E) ns2np7

Question 10

Consider the following reaction: 3Li + Z $\rarr$ Li3Z.What is the formula for the compound if we substitute sodium for lithium?

Accepted Answer

A) NaZ 
B) Na2Z 
C) NaZ2 
D) Na3Z 
E) NaZ3 
A) NaZ 
B) Na2Z 
C) NaZ2 
D) Na3Z 
E) NaZ3

Question 11

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 12

Which of the following reactants can be combined to produce hydrogen gas as a product?

Accepted Answer

A) N2O5(s)+ H2O(l)$\rarr$ 
B) H2(g)+ Cl2(g)$\rarr$ 
C) 2 F2(g)+ 2H2O(l)$\rarr$ 
D) Mg(s)+ 2H+(aq)$\rarr$ 
E) 2H2(g)+ O2(g)$\rarr$ 
A) N2O5(s)+ H2O(l)$\rarr$ 
B) H2(g)+ Cl2(g)$\rarr$ 
C) 2 F2(g)+ 2H2O(l)$\rarr$ 
D) Mg(s)+ 2H+(aq)$\rarr$ 
E) 2H2(g)+ O2(g)$\rarr$

Question 13

Amphoteric oxides exhibit both acidic and basic properties.

Accepted Answer

A) True 
 B)False

Question 14

The alkali metal elements are found in _______ of the periodic table.

Accepted Answer

A) Group 1A 
B) Group 2A 
C) Group 3A 
D) Period 7 
E) Period 1 
A) Group 1A 
B) Group 2A 
C) Group 3A 
D) Period 7 
E) Period 1

Question 15

Concerning the electron configuration of S2-, 1s22s22p63s23p6, write the configuration for the valence shell electrons only

Accepted Answer

Question 16

Write the ground-state electron configuration for Mg2+.

Accepted Answer

Question 17

How many core electrons does a silicon atom have?

Accepted Answer

A) 14 
B) 10 
C) 4 
D) 8 
E) 2 
A) 14 
B) 10 
C) 4 
D) 8 
E) 2

Question 18

Which one of the following ions has the largest radius?

Accepted Answer

A) Cl- 
B) K+ 
C) S2- 
D) Na+ 
E) O2- 
A) Cl- 
B) K+ 
C) S2- 
D) Na+ 
E) O2-

Question 19

The effective nuclear charge (Zeff)felt by the outermost electrons is the strongest for which of the following elements?

Accepted Answer

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

Question 20

Which of the following reactants can be combined to produce a basic oxide as a product?

Accepted Answer

A) Cl2O7(l)+ H2O(l)$\rarr$ 
B) P4O10(s)+ 6H2O(l)$\rarr$ 
C) 4Li(s)+ O2(g)$\rarr$ 
D) Al2O3(s)+ 6HCl(aq)$\rarr$ 
E) MgO(s)+ 2HCl(aq)$\rarr$ 
A) Cl2O7(l)+ H2O(l)$\rarr$ 
B) P4O10(s)+ 6H2O(l)$\rarr$ 
C) 4Li(s)+ O2(g)$\rarr$ 
D) Al2O3(s)+ 6HCl(aq)$\rarr$ 
E) MgO(s)+ 2HCl(aq)$\rarr$

Exam 8: Periodic Relationships Among the Elements

Which of the following elements has the smallest first ionization energy?

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

Write the ground-state electron configuration for I-.

Electron affinity is always a positive quantity.

Write the ground-state electron configuration for Br-.

The elements in Group 2A are known by what name?

Since zirconium is a metal, ZrO2 is expected to be a/an _____ oxide.

Which two electron configurations represent elements that would have similar chemical properties? (1)1s22s22p4 (2)1s22s22p5 (3)[Ar]4s23d5 (4)[Ar]4s23d104p5

Which of the following is the general electron configuration for the outermost electrons of the halogens?

Consider the following reaction: 3Li + Z →\rarr→ Li3Z.What is the formula for the compound if we substitute sodium for lithium?

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

Which of the following reactants can be combined to produce hydrogen gas as a product?

Amphoteric oxides exhibit both acidic and basic properties.

The alkali metal elements are found in _______ of the periodic table.

Concerning the electron configuration of S2-, 1s22s22p63s23p6, write the configuration for the valence shell electrons only

Write the ground-state electron configuration for Mg2+.

How many core electrons does a silicon atom have?

Which one of the following ions has the largest radius?

The effective nuclear charge (Zeff)felt by the outermost electrons is the strongest for which of the following elements?

Which of the following reactants can be combined to produce a basic oxide as a product?

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 I^-.

Write the ground-state electron configuration for Br^-.

Since zirconium is a metal, ZrO₂ is expected to be a/an _____ oxide.

Which two electron configurations represent elements that would have similar chemical properties? (1)1s²2s²2p⁴ (2)1s²2s²2p⁵ (3)[Ar]4s²3d⁵ (4)[Ar]4s²3d¹⁰4p⁵

Consider the following reaction: 3Li + Z $\rarr$ Li₃Z.What is the formula for the compound if we substitute sodium for lithium?

Concerning the electron configuration of S^2-, 1s²2s²2p⁶3s²3p⁶, write the configuration for the valence shell electrons only

Write the ground-state electron configuration for Mg²⁺.

The effective nuclear charge (Z_eff)felt by the outermost electrons is the strongest for which of the following elements?