Question 1

Of the following elements, which have been shown to form compounds? helium neon argon krypton xenon

Accepted Answer

A) xenon and argon 
B) xenon only 
C) xenon, krypton, and argon 
D) xenon and krypton 
E) None of the above can form compounds. 
A) xenon and argon 
B) xenon only 
C) xenon, krypton, and argon 
D) xenon and krypton 
E) None of the above can form compounds.

Question 2

Which element is solid at room temperature?

Accepted Answer

A) Cl2 
B) F2 
C) Br2 
D) I2 
E) H2 
A) Cl2 
B) F2 
C) Br2 
D) I2 
E) H2

Question 3

List seven nonmetals that exist as diatomic molecules in their elemental forms.

Accepted Answer

hydrogen, oxygen, ni

Question 4

The effective nuclear charge of an atom is primarily affected by ________.

Accepted Answer

A) inner electrons 
B) outer electrons 
C) nuclear charge 
D) electron distribution 
E) orbital radial probability 
A) inner electrons 
B) outer electrons 
C) nuclear charge 
D) electron distribution 
E) orbital radial probability

Question 5

The effective nuclear charge in an atom is proportional to the number of nuclear protons.

Accepted Answer

A) True 
 B)False

Question 6

Which equation correctly represents the electron affinity of calcium?

Accepted Answer

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

Question 7

Hydrogen is unique among the elements because ________. 1. It has only one valence electron.
2. It is the only element that can emit an atomic spectrum.
3. Its electron is not at all shielded from its nucleus.
4. It is the lightest element.
5. It is the only element to exist at room temperature as a diatomic gas.

Accepted Answer

A) 1, 2, 3, 4, 5 
B) 1, 3, 4 
C) 1, 2, 3, 4 
D) 2, 3, 4 
E) 3, 4 
A) 1, 2, 3, 4, 5 
B) 1, 3, 4 
C) 1, 2, 3, 4 
D) 2, 3, 4 
E) 3, 4

Question 8

Electrons in the 1s subshell are much closer to the nucleus in Ar than in He due to the larger ________ in Ar.

Accepted Answer

A) nuclear charge 
B) paramagnetism 
C) diamagnetism 
D) Hund's rule 
E) azimuthal quantum number 
A) nuclear charge 
B) paramagnetism 
C) diamagnetism 
D) Hund's rule 
E) azimuthal quantum number

Question 9

Which equation correctly represents the third ionization of aluminum?

Accepted Answer

A) Al2+(g)→ Al3+(g)+ e- 
B) Al(g)→ Al+(g)+ e- 
C) Al2-(g)→ Al3-(g)+ e- 
D) Al3+(g)+ e- → Al2+(g) 
E) Al+(g)→ Al2+(g)+ e- 
A) Al2+(g)→ Al3+(g)+ e- 
B) Al(g)→ Al+(g)+ e- 
C) Al2-(g)→ Al3-(g)+ e- 
D) Al3+(g)+ e- → Al2+(g) 
E) Al+(g)→ Al2+(g)+ e-

Question 10

Which of the following correctly represents the second ionization of copper?

Accepted Answer

A) Cu (g) → Cu+ (g) + e- 
B) Cu+ (g) → Cu2+ (g) + e- 
C) Cu- (g) + e- → Cu2- (g) 
D) Cu+ (g) + e- → Cu2+ (g) 
E) Cu+ (g) + e- → Cu (g) 
A) Cu (g) → Cu+ (g) + e- 
B) Cu+ (g) → Cu2+ (g) + e- 
C) Cu- (g) + e- → Cu2- (g) 
D) Cu+ (g) + e- → Cu2+ (g) 
E) Cu+ (g) + e- → Cu (g)

Question 11

A tin atom has 50 electrons. Electrons in the ________ subshell experience the lowest effective nuclear charge.

Accepted Answer

A) 1s 
B) 3p 
C) 3d 
D) 5s 
E) 5p 
A) 1s 
B) 3p 
C) 3d 
D) 5s 
E) 5p

Question 12

Complete the following: P4O10 + 6H2O →

Accepted Answer

Question 13

Cl2 (g) + H2O (l) → ________

Accepted Answer

A) HCl (aq) + HOCl (aq) 
B) 2Cl- (aq) + H2O (l) 
C) 2HCl (aq) + O2 (g) 
D) 2HCl (aq) + O2- (g) 
E) Cl2 (aq) + H2O (l) 
A) HCl (aq) + HOCl (aq) 
B) 2Cl- (aq) + H2O (l) 
C) 2HCl (aq) + O2 (g) 
D) 2HCl (aq) + O2- (g) 
E) Cl2 (aq) + H2O (l)

Question 14

This element reacts with hydrogen to produce a gas with the formula HX. When dissolved in water, HX forms an acidic solution. X is ________.

Accepted Answer

A) chlorine 
B) calcium 
C) oxygen 
D) germanium 
E) arsenic 
A) chlorine 
B) calcium 
C) oxygen 
D) germanium 
E) arsenic

Question 15

The reaction of a metal with a nonmetal produces a(n)________.

Accepted Answer

A) base 
B) salt 
C) acid 
D) oxide 
E) hydroxide 
A) base 
B) salt 
C) acid 
D) oxide 
E) hydroxide

Question 16

The list that correctly indicates the order of metallic character is ________.

Accepted Answer

A) Sr > Ca > Mg 
B) F > Cl > Br 
C) C > Ge > Si 
D) Li > Na > K 
E) O > Se > S 
A) Sr > Ca > Mg 
B) F > Cl > Br 
C) C > Ge > Si 
D) Li > Na > K 
E) O > Se > S

Question 17

The element(s)________ could be used to produce a red or crimson color in fireworks.

Accepted Answer

A) Mg or Ba 
B) Sr 
C) Ca, Sr, or Li 
D) Ba 
E) Na or K 
A) Mg or Ba 
B) Sr 
C) Ca, Sr, or Li 
D) Ba 
E) Na or K

Question 18

Xenon has been shown to form compounds only when it is combined with ________.

Accepted Answer

A) something with a tremendous ability to remove electrons from other substances 
B) another noble gas 
C) something with a tremendous ability to donate electrons to other substances 
D) an alkali metal 
E) an alkaline earth metal 
A) something with a tremendous ability to remove electrons from other substances 
B) another noble gas 
C) something with a tremendous ability to donate electrons to other substances 
D) an alkali metal 
E) an alkaline earth metal

Question 19

When electrons are removed from a lithium atom, they are removed first from which orbital?

Accepted Answer

The answer of When electrons are removed from a lithium...

Question 20

Consider the following properties of an element: (i)It is solid at room temperature.
(ii)It easily forms an oxide when exposed to air.
(iii)When it reacts with water, hydrogen gas evolves.
(iv)It must be stored submerged in oil.
Which element fits the above description the best?

Accepted Answer

A) sulfur 
B) copper 
C) mercury 
D) sodium 
E) magnesium 
A) sulfur 
B) copper 
C) mercury 
D) sodium 
E) magnesium

Exam 7: Periodic Properties of the Elements

Of the following elements, which have been shown to form compounds? helium neon argon krypton xenon

Which element is solid at room temperature?

List seven nonmetals that exist as diatomic molecules in their elemental forms.

The effective nuclear charge of an atom is primarily affected by ________.

The effective nuclear charge in an atom is proportional to the number of nuclear protons.

Which equation correctly represents the electron affinity of calcium?

Electrons in the 1s subshell are much closer to the nucleus in Ar than in He due to the larger ________ in Ar.

Which equation correctly represents the third ionization of aluminum?

Which of the following correctly represents the second ionization of copper?

A tin atom has 50 electrons. Electrons in the ________ subshell experience the lowest effective nuclear charge.

Complete the following: P4O10 + 6H2O →

Cl2 (g) + H2O (l) → ________

This element reacts with hydrogen to produce a gas with the formula HX. When dissolved in water, HX forms an acidic solution. X is ________.

The reaction of a metal with a nonmetal produces a(n)________.

The list that correctly indicates the order of metallic character is ________.

The element(s)________ could be used to produce a red or crimson color in fireworks.

Xenon has been shown to form compounds only when it is combined with ________.

When electrons are removed from a lithium atom, they are removed first from which orbital?

Consider the following properties of an element: (i)It is solid at room temperature. (ii)It easily forms an oxide when exposed to air. (iii)When it reacts with water, hydrogen gas evolves. (iv)It must be stored submerged in oil. Which element fits the above description the best?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

Complete the following: P₄O₁₀ + 6H₂O →

Cl₂ (g) + H₂O (l) → ________