Ionic Bonding Answers

10 verified answers
1
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Which of these best describes an ionic bond?

A
a force that keeps two large molecules together
B
an attraction that occurs between two nonmetals
C
a force that holds two oppositely charged ions together
D
an electromagnetic attraction that occurs between two metals
2
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Which statement best describes how an ionic bond forms?

A
The transfer of electrons forms strong bonds between ions.
B
The sharing of electrons forms strong bonds between ions.
C
The transfer of electrons results in repulsive forces between molecules.
D
The sharing of electrons results in attractive forces between molecules.
3

Which statement correctly describes the phosphate ion, ?

Question illustration
A
It is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion.
B
It is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom.
C
It is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion.
D
It is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.
4

Which statement is true about a polyatomic ion?

A
It forms metallic bonds with other ions.
B
It forms covalent bonds with other ions.
C
It is made of atoms that are covalently bonded together.
D
It has a charge that is distributed over only part of the ion.
5

Each model shows bonding between a pair of atoms.Model A Model BWhich statement best explains how the models differ?

Question illustration
A
Model A shows the formation of ions, and model B does not show the formation of ions.
B
Model A does not show the formation of ions, and model B shows the sharing of electrons.
C
Model A shows the sharing of electrons, and model B shows the formation of ions.
D
Model A shows the transfer of an electron, and model B shows the sharing of electrons.
6

Which pair of ions can form an ionic bond with each other and why?

A
Cu and Ag; They are both metal ions.
Option A
B
S and O; They have like charges.
Option B
C
Br and At; They are both halogen ions.
Option C
D
Li and Br; They have unlike charges.
Option D
7

The table lists the lattice energies of some compounds.CompoundLattice Energy (kJ/mol)LiF –1,036LiCl –853NaF –923KF –821NaCl –786Which statement about crystal lattice energy is best supported by the information in the table?

A
The lattice energy increases as cations get smaller, as shown by LiF and KF.
B
The lattice energy increases as the cations get larger, as shown by LiF and LiCl.
C
The lattice energy decreases as cations get smaller, as shown by NaCl and NaF.
D
The lattice energy decreases as the cations get smaller, as shown by NaF and KF.
8

Which statement is true about ionic compounds?

A
They are made up of many large molecules that are bonded together.
B
They are made up of atoms of only one type of element.
C
They are made up of particles that are arranged in a repeating pattern.
D
They are made up of a random ratio of elements that are bonded together.
9

Which pair of elements will form an ionic bond?

A
N and O
B
K and Br
C
C and Cl
D
Fe and Ni
10

The diagram below shows the atoms involved in forming table salt.Which statement best describes what happens next?

Question illustration
A
Sodium becomes an anion by losing an electron to chlorine.
B
Chlorine becomes a cation by losing an electron to sodium.
C
Sodium becomes a cation by gaining an electron from chlorine.
D
Chlorine becomes an anion by gaining an electron from sodium.

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