AnswersCR Chemistry S1 Q3050OXIonic Bonding

Ionic Bonding Answers

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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.
11

The particles of a gas inside a balloon are experiencing an increase in their average kinetic energy and the number of collisions with the wall of the balloon. What is the most likely outcome?

A
higher gas pressure inside the balloon
B
higher air pressure outside the balloon
C
a decrease in gas temperature inside the balloon
D
a large increase in air temperature outside the balloon
12

Which process is a chemical change?

A
burning a match
B
boiling water
C
melting ice
D
breaking glass
13

According to the kinetic-molecular theory, the average kinetic energy of gas particles depends on which factor?

A
volume
B
pressure
C
temperature
D
number of particles
14

Malia was able to make a paperclip float on the surface of water. What will most likely happen to the paperclip if a drop of dishwashing detergent is added near it?

A
Soap is a surfactant that increases the intermolecular forces of water allowing the paperclip to continue to float.
B
Soap makes the water less viscous making the paperclip sink.
C
Soap is a surfactant that disrupts the intermolecular forces of water making the paperclip sink.
D
Soap makes the water more viscous allowing the paperclip to continue to float.
15

Which statement describes an intensive property of matter?

A
It is the same for every sample of a single substance.
B
It depends on how a substance was formed.
C
It is the same for every sample of every substance.
D
It depends on the amount of substance present.
16

A substance is tested in a lab. It is found to maintain a unique shape and is a good conductor of electricity. If it is made up of electrons, protons, and neutrons, what state of matter is this substance most likely to be?

A
gas
B
liquid
C
plasma
D
solid
17

Which device involves the use of plasma in technology?

A
arc welder
B
diesel engine
C
a car radio
D
battery-operated flashlight
18

Which is the best example of immiscible liquids?

A
two polar liquids that have high surface tensions
B
a polar liquid and a nonpolar liquid that have low surface tensions
C
two nonpolar liquids that can dissolve into one another
D
a polar liquid and a nonpolar liquid that do not dissolve into one another
19

Which of the following best identifies where long-range order would be found?

A
in amorphous solids
B
in crystalline solids
C
in thermal plasmas
D
in nonthermal plasmas
20

A perfume bottle is dropped in the corner of a room and it shattered. The odor of the perfume can be detected on the other side of the room. Which statement best describes this observation?

A
Particles are moving from regions of high concentration to low concentration.
B
Particles are moving from regions of low concentration to high concentration.
C
Particles are moving through a small opening into a smaller volume.
D
Particles are moving through a small opening into a larger volume.

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