Question 1

Arrange the following bonds in order of increasing polarity.

Accepted Answer

A) H-O < H-N < H-S < H-P 
B) H-P < H-S < H-N < H-O 
C) H-N < H-O < H-P < H-S 
D) H-S < H-P < H-O < H-N 
E) H-P < H-S < H-O < H-N 
A) H-O < H-N < H-S < H-P 
B) H-P < H-S < H-N < H-O 
C) H-N < H-O < H-P < H-S 
D) H-S < H-P < H-O < H-N 
E) H-P < H-S < H-O < H-N

Question 2

Which of the following correctly lists the bonds with positive poles on the left and negative poles on the right?

Accepted Answer

The answer of Which of the following correctly lists the...

Question 3

Consider the following periodic table.   In which of the numbered sections will elements form anions that are isoelectronic with a noble gas?

Accepted Answer

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

Question 4

The ratio of anions to cations in an ionic compound is always such that:

Accepted Answer

A) the compound is reduced in size when compared to the parent atoms 
B) there are as many anions as there are cations 
C) the anions outnumber the cations 
D) the cations outnumber the anions 
E) the compound is electrically neutral 
A) the compound is reduced in size when compared to the parent atoms 
B) there are as many anions as there are cations 
C) the anions outnumber the cations 
D) the cations outnumber the anions 
E) the compound is electrically neutral

Question 5

A Lewis formula or Lewis diagram is used to show what?

Accepted Answer

A) The physical properties of the compound 
B) How Lewisite can be made in the laboratory 
C) Whether a bond is polar or nonpolar 
D) How metals form alloys 
E) The arrangement of atoms and electrons in a molecule 
A) The physical properties of the compound 
B) How Lewisite can be made in the laboratory 
C) Whether a bond is polar or nonpolar 
D) How metals form alloys 
E) The arrangement of atoms and electrons in a molecule

Question 6

Which is the correct procedure to rank bonds in order of increasing polarity?

Accepted Answer

A) List them from least electronegative nonmetal to most electronegative nonmetal 
B) List them from most electronegative nonmetal to least electronegative nonmetal 
C) List them from least electronegativity difference between elements to greatest electronegativity difference between elements 
D) List them from greatest electronegativity difference between elements to least electronegativity difference between elements 
E) List them from least total number of unshared electron pairs to greatest total number of unshared electron pairs 
A) List them from least electronegative nonmetal to most electronegative nonmetal 
B) List them from most electronegative nonmetal to least electronegative nonmetal 
C) List them from least electronegativity difference between elements to greatest electronegativity difference between elements 
D) List them from greatest electronegativity difference between elements to least electronegativity difference between elements 
E) List them from least total number of unshared electron pairs to greatest total number of unshared electron pairs

Question 7

Which of the following statements is incorrect?

Accepted Answer

A) Electronegativities tend to be greater at the top of any group 
B) Electronegativities increase from left to right across any row of the periodic table 
C) You can estimate the polarity of a bond by calculating the difference between the electronegativity values for the two elements 
D) The electronegativity difference is zero between elements with electrons in the same principal energy level 
E) The more electronegative element toward which the bonding electrons are displaced acts as the "negative pole" in a polar bond 
A) Electronegativities tend to be greater at the top of any group 
B) Electronegativities increase from left to right across any row of the periodic table 
C) You can estimate the polarity of a bond by calculating the difference between the electronegativity values for the two elements 
D) The electronegativity difference is zero between elements with electrons in the same principal energy level 
E) The more electronegative element toward which the bonding electrons are displaced acts as the "negative pole" in a polar bond

Question 8

Which of the following ions is/are isoelectronic with Kr?
i.Cl-
ii.Br-
iii.K+
iv.Rb+
v.Kr4+

Accepted Answer

A) v only 
B) i and ii 
C) ii and iv 
D) iii and iv 
E) iii, iv, and v 
A) v only 
B) i and ii 
C) ii and iv 
D) iii and iv 
E) iii, iv, and v

Question 9

In a covalent bond,the valence electrons from atoms are:

Accepted Answer

A) shared 
B) transferred to the less metallic element 
C) transferred to the more metallic element 
D) gained by the anion 
E) gained by the cation 
A) shared 
B) transferred to the less metallic element 
C) transferred to the more metallic element 
D) gained by the anion 
E) gained by the cation

Question 10

How is the bond in an F2 molecule formed?

Accepted Answer

A) Overlap of the half-filled 1s orbitals of two fluorine atoms 
B) Overlap of the half-filled 1s orbital from one fluorine atom with the half-filled 2p orbital from a second fluorine atom 
C) Overlap of the half-filled 2p orbitals of two fluorine atoms 
D) Transfer of an electron from one fluorine atom to the other 
E) Transfer of an electron from one fluorine atom to third atom, followed by an electron from a neutral fluorine atom being shared with the electron-deficient fluorine atom to form the bond 
A) Overlap of the half-filled 1s orbitals of two fluorine atoms 
B) Overlap of the half-filled 1s orbital from one fluorine atom with the half-filled 2p orbital from a second fluorine atom 
C) Overlap of the half-filled 2p orbitals of two fluorine atoms 
D) Transfer of an electron from one fluorine atom to the other 
E) Transfer of an electron from one fluorine atom to third atom, followed by an electron from a neutral fluorine atom being shared with the electron-deficient fluorine atom to form the bond

Question 11

Match each of the following terms with the appropriate bonding type.

Accepted Answer

The answer of Match each of the following terms with...

Question 12

What is the electron configuration of an ion that is isoelectronic with neon?

Accepted Answer

A) [Ne]3s23p6 
B) [Ar]3s23p6 
C) [Ar]4s2 
D) 1s22s22p6 
E) 1s22s22p2 
A) [Ne]3s23p6 
B) [Ar]3s23p6 
C) [Ar]4s2 
D) 1s22s22p6 
E) 1s22s22p2

Question 13

Which element will act as the negative pole in each of the following bonds: Li-H,H-C?

Accepted Answer

A) Li in Li-H and C in H-C 
B) Li in Li-H and H in H-C 
C) H in Li-H and C in H-C 
D) H in Li-H and H in H-C 
E) The bonds in H-C are not polar and cannot be classified as having a negative pole. 
A) Li in Li-H and C in H-C 
B) Li in Li-H and H in H-C 
C) H in Li-H and C in H-C 
D) H in Li-H and H in H-C 
E) The bonds in H-C are not polar and cannot be classified as having a negative pole.

Question 14

Which of the following is the best description of metallic bonding?

Accepted Answer

A) Positively charged metal ions surrounded by freely moving electrons 
B) Alternating positively charged metal ions and negatively charged metal ions 
C) Pairs of metal atoms sharing electrons, plus weak intermolecular forces holding the pairs in place in the metal crystal 
D) Groups of three metal atoms sharing electrons (three-center bonds), plus weak intermolecular forces holding the groups in place in the metal crystal 
E) Metallic bonding is essentially the same as covalent bonding, except that in metallic bonding, protons are shared rather than electrons 
A) Positively charged metal ions surrounded by freely moving electrons 
B) Alternating positively charged metal ions and negatively charged metal ions 
C) Pairs of metal atoms sharing electrons, plus weak intermolecular forces holding the pairs in place in the metal crystal 
D) Groups of three metal atoms sharing electrons (three-center bonds), plus weak intermolecular forces holding the groups in place in the metal crystal 
E) Metallic bonding is essentially the same as covalent bonding, except that in metallic bonding, protons are shared rather than electrons

Question 15

Which of the following chemical bonds is best described as nonpolar covalent?

Accepted Answer

A) H-H 
B) H-C 
C) H-N 
D) H-O 
E) H-F 
A) H-H 
B) H-C 
C) H-N 
D) H-O 
E) H-F

Question 16

Consider the following image of two atoms interacting.Each small dot represents an instantaneous position of an electron and the circles represent the nuclei.   Which of the following is the best description of the type bond represented?

Accepted Answer

A) Nonpolar ionic 
B) Nonpolar covalent 
C) Polar ionic 
D) Polar covalent 
E) Metallic 
A) Nonpolar ionic 
B) Nonpolar covalent 
C) Polar ionic 
D) Polar covalent 
E) Metallic

Question 17

The general term to indicate a negatively charged ion is:

Accepted Answer

A) a cation 
B) an anion 
C) a hydrated ion 
D) an isoelectron 
E) a valence ion 
A) a cation 
B) an anion 
C) a hydrated ion 
D) an isoelectron 
E) a valence ion

Question 18

Consider the periodic table shown below .   In which of the numbered regions will elements be found that have low electronegativity values?

Accepted Answer

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

Question 19

Which of the following terms best describes the distribution of bonding electron charge in a polar bond?

Accepted Answer

A) Linear 
B) Ordered 
C) Random 
D) Asymmetrical 
E) Artificial 
A) Linear 
B) Ordered 
C) Random 
D) Asymmetrical 
E) Artificial

Question 20

Given the following electronegativities: H = 2.1,F = 4.0,C = 2.5,Cl = 3.0,arrange the bonds according to increasing polarity.

Accepted Answer

A) H-C < H-Cl < H-F < C-Cl 
B) H-F < H-Cl < C-Cl < H-C 
C) H-C < C-Cl < H-Cl < H-F 
D) H-F < C-Cl < H-Cl < H-C 
E) H-Cl < H-C < H-F < C-Cl 
A) H-C < H-Cl < H-F < C-Cl 
B) H-F < H-Cl < C-Cl < H-C 
C) H-C < C-Cl < H-Cl < H-F 
D) H-F < C-Cl < H-Cl < H-C 
E) H-Cl < H-C < H-F < C-Cl

Exam 12: Chemical Bonding

Arrange the following bonds in order of increasing polarity.

Which of the following correctly lists the bonds with positive poles on the left and negative poles on the right?

Consider the following periodic table. In which of the numbered sections will elements form anions that are isoelectronic with a noble gas?

The ratio of anions to cations in an ionic compound is always such that:

A Lewis formula or Lewis diagram is used to show what?

Which is the correct procedure to rank bonds in order of increasing polarity?

Which of the following statements is incorrect?

Which of the following ions is/are isoelectronic with Kr? i.Cl- ii.Br- iii.K+ iv.Rb+ v.Kr4+

In a covalent bond,the valence electrons from atoms are:

How is the bond in an F2 molecule formed?

Match each of the following terms with the appropriate bonding type.

What is the electron configuration of an ion that is isoelectronic with neon?

Which element will act as the negative pole in each of the following bonds: Li-H,H-C?

Which of the following is the best description of metallic bonding?

Which of the following chemical bonds is best described as nonpolar covalent?

Consider the following image of two atoms interacting.Each small dot represents an instantaneous position of an electron and the circles represent the nuclei. Which of the following is the best description of the type bond represented?

The general term to indicate a negatively charged ion is:

Consider the periodic table shown below . In which of the numbered regions will elements be found that have low electronegativity values?

Which of the following terms best describes the distribution of bonding electron charge in a polar bond?

Given the following electronegativities: H = 2.1,F = 4.0,C = 2.5,Cl = 3.0,arrange the bonds according to increasing polarity.

Matter and Energy

Measurement and Chemical Calculations

Introduction to Gases

Atomic Theory: The Nuclear Model of the Atom

Chemical Nomenclature

Chemical Formula Relationships

Chemical Reactions

Chemical Change

Quantity Relationships in Chemical Reactions

Atomic Theory: The Quantum Model of the Atom

Structure and Shape

The Ideal Gas Law and Its Applications

Gases, Liquids, and Solids

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Chemical Equilibrium

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Filters

Which of the following ions is/are isoelectronic with Kr? i.Cl^- ii.Br^- iii.K⁺ iv.Rb⁺ v.Kr⁴⁺

How is the bond in an F₂ molecule formed?