Question 1

Of the hydrogen halides, only is a weak acid.

Accepted Answer

A)  HI (aq) 
B)  HCl (aq) 
C)  HF (aq) 
D)  HBr (aq) 
E)  They are all weak acids. 
A)  HI (aq) 
B)  HCl (aq) 
C)  HF (aq) 
D)  HBr (aq) 
E)  They are all weak acids.

Question 2

Of the following species, has the largest radius.

Accepted Answer

A)  Kr 
B)  Br-  
C)  Sr2+  
D)  Rb+  
E)  Ar 
A)  Kr 
B)  Br-  
C)  Sr2+  
D)  Rb+  
E)  Ar

Question 3

Which noble gas has the highest first ionization energy ?

Accepted Answer

The answer of Which noble gas has the highest first...

Question 4

2 F2 (g) + 2 H2O (l) - .

Accepted Answer

A)  4 HF (aq) + O2 (g) 
B)  2 HF2 (aq) + 2 OH- (aq) 
C)  2 HF (aq) + 2 HFO (aq) 
D)  2 F- (aq) + 2 H+ (aq) + H2O2 (aq) 
E)  4 HF (aq) + 2 O2- (aq) 
A)  4 HF (aq) + O2 (g) 
B)  2 HF2 (aq) + 2 OH- (aq) 
C)  2 HF (aq) + 2 HFO (aq) 
D)  2 F- (aq) + 2 H+ (aq) + H2O2 (aq) 
E)  4 HF (aq) + 2 O2- (aq)

Question 5

Which of the following is not a characteristic of metals?

Accepted Answer

A)  low ionization energies 
B)  ductility 
C)  acidic oxides 
D)  malleability 
E)  These are all characteristics of metals. 
A)  low ionization energies 
B)  ductility 
C)  acidic oxides 
D)  malleability 
E)  These are all characteristics of metals.

Question 6

An alkaline earth metal forms a compound with oxygen with the formula _ . (The symbol M represents any one of the alkaline earth metals.)

Accepted Answer

A)  MO3  
B)  MO2  
C)  MO 
D)  M2O2  
E)  M2O 
A)  MO3  
B)  MO2  
C)  MO 
D)  M2O2  
E)  M2O

Question 7

In general, as you go across a period in the periodic table from left to right:
(1) the atomic radius ;
_ negative; and
(3) the first ionization energy .

Accepted Answer

A)  decreases, increasingly, increases 
B)  decreases, decreasingly, increases 
C)  increases, increasingly, decreases 
D)  decreases, increasingly, decreases 
E)  increases, increasingly, increases 
A)  decreases, increasingly, increases 
B)  decreases, decreasingly, increases 
C)  increases, increasingly, decreases 
D)  decreases, increasingly, decreases 
E)  increases, increasingly, increases

Question 8

In nature, sulfur is most commonly found in .

Accepted Answer

A)  sulfuric acid 
B)  metal sulfides 
C)  sulfur oxides 
D)  pure elemental sulfur 
E)  H2S 
A)  sulfuric acid 
B)  metal sulfides 
C)  sulfur oxides 
D)  pure elemental sulfur 
E)  H2S

Question 9

Element X reacts with chlorine to form a compound with the formula XCl2. The oxide of element X is basic. Element X is .

Accepted Answer

A)  Rb 
B)  Ca 
C)  H 
D)  Al 
E)  P 
A)  Rb 
B)  Ca 
C)  H 
D)  Al 
E)  P

Question 10

Of the following metals, exhibits multiple oxidation states.

Accepted Answer

A)  Al 
B)  Cs 
C)  Ca 
D)  Na 
E)  V 
A)  Al 
B)  Cs 
C)  Ca 
D)  Na 
E)  V

Question 11

Which group 6A element is a metal?

Accepted Answer

A)  tellurium 
B)  selenium 
C)  polonium 
D)  tellurium and polonium 
E)  sulfur 
A)  tellurium 
B)  selenium 
C)  polonium 
D)  tellurium and polonium 
E)  sulfur

Question 12

Consider the following electron configurations to answer the questions that follow:
(i) 1sS1U1P12 S1S1P02sS1U1P12 S1S1P02pS1U1P16 S1S1P03sS1U1P11S1S1P0
(ii) 1sS1U1P12 S1S1P02sS1U1P12 S1S1P02pS1U1P16S1S1P0S1U1P1 S1S1P03sS1U1P12S1S1P0
(iii) 1sS1U1P12 S1S1P02sS1U1P12 S1S1P02pS1U1P16 S1S1P03sS1U1P12S1S1P0S1U1P1 S1S1P03pS1U1P11S1S1P0
(iv) 1sS1U1P12 S1S1P02sS1U1P12 S1S1P02pS1U1P16 S1S1P03sS1U1P12 S1S1P03pS1U1P14 S1S1P0(v) 1sS1U1P12 S1S1P02sS1U1P12 S1S1P02pS1U1P16 S1S1P03sS1U1P12 S1S1P03pS1U1P15S1S1P0
-The electron configuration of the atom with the most negative electron affinity is _.

Accepted Answer

A)  (i) 
B)  (ii) 
C)  (iii) 
D)  (iv) 
E)  (v) 
A)  (i) 
B)  (ii) 
C)  (iii) 
D)  (iv) 
E)  (v)

Question 13

Which equation correctly represents the first ionization of aluminum?

Accepted Answer

A)  Al (g) -AlS1U1P1-S1S1P0(g) + eS1U1P1-S1S1P0 
B)  AlS1U1P1+ S1S1P0(g) + eS1U1P1- S1S1P0- Al (g) 
C)  Al (g) + eS1U1P1-S1S1P0 - AlS1U1P1-S1S1P0(g) 
D)  AlS1U1P1- S1S1P0(g) - Al (g) + eS1U1P1-S1S1P0 
E)  Al (g) -AlS1U1P1+S1S1P0(g) + eS1U1P1-S1S1P0 
A)  Al (g) -AlS1U1P1-S1S1P0(g) + eS1U1P1-S1S1P0 
B)  AlS1U1P1+ S1S1P0(g) + eS1U1P1- S1S1P0- Al (g) 
C)  Al (g) + eS1U1P1-S1S1P0 - AlS1U1P1-S1S1P0(g) 
D)  AlS1U1P1- S1S1P0(g) - Al (g) + eS1U1P1-S1S1P0 
E)  Al (g) -AlS1U1P1+S1S1P0(g) + eS1U1P1-S1S1P0

Question 14

Write the balanced equation for the reaction of elemental chlorine with liquid water.

Accepted Answer

Cl₂(g) + H₂O

Question 15

Which nonmetal exists as a diatomic solid?

Accepted Answer

A)  phosphorus 
B)  bromine 
C)  iodine 
D)  boron 
E)  antimony 
A)  phosphorus 
B)  bromine 
C)  iodine 
D)  boron 
E)  antimony

Question 16

The substance, is always produced when an active metal reacts with water.

Accepted Answer

A)  O2  
B)  H2  
C)  CO2  
D)  H2O 
E)  NaOH 
A)  O2  
B)  H2  
C)  CO2  
D)  H2O 
E)  NaOH

Question 17

Between which two elements is the difference in metallic character the greatest?

Accepted Answer

A)  Rb and O 
B)  Li and Rb 
C)  O and I 
D)  Rb and I 
E)  Li and O 
A)  Rb and O 
B)  Li and Rb 
C)  O and I 
D)  Rb and I 
E)  Li and O

Question 18

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)  Br 
B)  H 
C)  C 
D)  Na 
E)  O 
A)  Br 
B)  H 
C)  C 
D)  Na 
E)  O

Question 19

Of the halogens, which are gases at room temperature and atmospheric pressure?

Accepted Answer

A)  fluorine, chlorine, and iodine 
B)  fluorine and chlorine 
C)  fluorine, chlorine, and bromine 
D)  fluorine, chlorine, bromine, and iodine 
E)  fluorine, bromine, and iodine 
A)  fluorine, chlorine, and iodine 
B)  fluorine and chlorine 
C)  fluorine, chlorine, and bromine 
D)  fluorine, chlorine, bromine, and iodine 
E)  fluorine, bromine, and iodine

Question 20

Which alkali metals can react with oxygen to form either the peroxide or the superoxide?

Accepted Answer

The answer of Which alkali metals can react with oxygen...

Exam 7: Periodic Properties of the Elements

Of the hydrogen halides, only is a weak acid.

Of the following species, has the largest radius.

Which noble gas has the highest first ionization energy ?

2 F2 (g) + 2 H2O (l) - .

Which of the following is not a characteristic of metals?

An alkaline earth metal forms a compound with oxygen with the formula _ . (The symbol M represents any one of the alkaline earth metals.)

In general, as you go across a period in the periodic table from left to right: (1) the atomic radius ; _ negative; and (3) the first ionization energy .

In nature, sulfur is most commonly found in .

Element X reacts with chlorine to form a compound with the formula XCl2. The oxide of element X is basic. Element X is .

Of the following metals, exhibits multiple oxidation states.

Which group 6A element is a metal?

Consider the following electron configurations to answer the questions that follow: (i) 1s2 2s2 2p6 3s1 (ii) 1s2 2s2 2p6 3s2 (iii) 1s2 2s2 2p6 3s2 3p1 (iv) 1s2 2s2 2p6 3s2 3p4 (v) 1s2 2s2 2p6 3s2 3p5 -The electron configuration of the atom with the most negative electron affinity is _.

Which equation correctly represents the first ionization of aluminum?

Write the balanced equation for the reaction of elemental chlorine with liquid water.

Which nonmetal exists as a diatomic solid?

The substance, is always produced when an active metal reacts with water.

Between which two elements is the difference in metallic character the greatest?

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

Of the halogens, which are gases at room temperature and atmospheric pressure?

Which alkali metals can react with oxygen to form either the peroxide or the superoxide?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

2 F₂(g) + 2 H₂O (l) - .

Element X reacts with chlorine to form a compound with the formula XCl₂. The oxide of element X is basic. Element X is .

Consider the following electron configurations to answer the questions that follow: (i) 1s²2s²2p⁶3s¹ (ii) 1s²2s²2p⁶3s² (iii) 1s²2s²2p⁶3s²3p¹ (iv) 1s²2s²2p⁶3s²3p⁴(v) 1s²2s²2p⁶3s²3p⁵ -The electron configuration of the atom with the most negative electron affinity is _.