Unit Six RtI - States of Matter

Last updated 8 months ago

27 questions

1

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Unit Six RtI - States of Matter

Last updated 8 months ago

27 questions

1

Create the Lewis model for CS2. Describe the shape and polarity.

1

Create the Lewis model for CH2F2. Describe the shape and polarity.

1

What shape is this?

1

What shape is this?

1

What's wrong with the way the student determined the polarity on the following?

1

Circle the image that best represenst an ionic solid.

1

Circle the image that best represents a metallic solid.

1

Circle the image that best represents a molecular solid. Explain how you knew.

1

Why are metals good conducters of electricity?

1

Describe the difference in strength between intermolecular forces and intramolecular forces.

1

What is cross-linking in a polymer?

1

How does cross-linking change the properties of a polymer?

For the following four questions, pick with combination would be the best fit.

H2O and HF

HCl and HCl

H2 and HCl

H2 and N2

1

Which combination of molecules is likely to result in dispersion forces as the strongest intermolecular force?

1

Which combination of molecules is likely to result in dipole - dipole forces as the strongest intermolecular force?

1

Which combination of molecules is likely to result in dipole - induced dipole forces as the strongest intermolecular force?

1

Which combination of molecules is likely to result in hydrogen bonding as the strongest intermolecular force?

Create the Lewis model for CS2. Describe the shape and polarity.

Create the Lewis model for CH2F2. Describe the shape and polarity.

What shape is this?

What's wrong with the way the student determined the polarity on the following?

What force holds the particles of the table together?

Intramolecular forces

Intermolecular forces

Both

Neither

What forces are the most likely to be overcome to break through a table?

Intramolecular forces

Intermolecular forces

Both

Neither

What is the likely force that would be able to overcome the forces holding the table together.

Force of gravity (weight)

Intramolecular forces

Intermolecular forces

None of these

Circle the image that best represenst an ionic solid.

Circle the image that best represents a metallic solid.

Circle the image that best represents a molecular solid. Explain how you knew.

Why are metals good conducters of electricity?

Why aren't metals brittle when struck by a hammer?

They are held together by the strongest forces.

They don't have any charged particles

They are held together by intermolecular forces.

They have electrons that are mobile and can adjust.

What is a definition of viscosity?

The resistance to flow.

The ability to conduct electicity.

The ability to dissolve other substances.

The ability to form cross-linking.

Which of the following best represents the ranking of strength (most to least) for the intermolecular forces?

dipole-dipole, induced dipole-dipole, dispersion, hydrogen bonding

hydrogen bonding, dipole-dipole, induced dipole-dipole, dispersion

hydrogen bonding, dispersion, dipole-dipole, dipole-induced dipole

dispersion, induded dipole-dipole, dipole-dipole, hydrogen bonding

Describe the difference in strength between intermolecular forces and intramolecular forces.

Select the polar molecules.

What is the strongest intermolecular force present in a sample of HCl?

What is the strongest intermolecular force present in a sample of NH3?

What is the strongest intermolecular force present in a sample of CH4?

What is cross-linking in a polymer?

Select the true statments

Metals are poor conductors of electricity because they hold their electrons tightly.

Polymers with a lot of cross-linking are usually rigid.

Ionic compounds tend to be brittle.

Metals tend to be brittle.

A substance with hydrogen bonding  usually has higher viscosity than a similar molecule without hydrogen bonding.

A nonpolar substance with weak dispersion forces tends to have high surface tension.

How does cross-linking change the properties of a polymer?

For the following four questions, pick with combination would be the best fit.

H2O and HF

HCl and HCl

H2 and HCl

H2 and N2

Which combination of molecules is likely to result in dispersion forces as the strongest intermolecular force?

Which combination of molecules is likely to result in dipole - dipole forces as the strongest intermolecular force?

Which combination of molecules is likely to result in dipole - induced dipole forces as the strongest intermolecular force?

Which combination of molecules is likely to result in hydrogen bonding as the strongest intermolecular force?

What force holds the particles of the table together?

Intramolecular forces

Intermolecular forces

Both

Neither

What forces are the most likely to be overcome to break through a table?

Intramolecular forces

Intermolecular forces

Both

Neither

What is the likely force that would be able to overcome the forces holding the table together.

Force of gravity (weight)

Intramolecular forces

Intermolecular forces

None of these

Why aren't metals brittle when struck by a hammer?

They are held together by the strongest forces.

They don't have any charged particles

They are held together by intermolecular forces.

They have electrons that are mobile and can adjust.

What is a definition of viscosity?

The resistance to flow.

The ability to conduct electicity.

The ability to dissolve other substances.

The ability to form cross-linking.

Which of the following best represents the ranking of strength (most to least) for the intermolecular forces?

dipole-dipole, induced dipole-dipole, dispersion, hydrogen bonding

hydrogen bonding, dipole-dipole, induced dipole-dipole, dispersion

hydrogen bonding, dispersion, dipole-dipole, dipole-induced dipole

dispersion, induded dipole-dipole, dipole-dipole, hydrogen bonding

Select the polar molecules.

CO2

H2O

NH3

BF3

CH4

HCl

What is the strongest intermolecular force present in a sample of HCl?

Covalent bonding

Hydrogen bonding

Dispersion forces

Dipole-Dipole forces

Ionic bonding

Dipole-induced dipole forces

Metallic bonding

What is the strongest intermolecular force present in a sample of NH3?

Covalent bonding

Hydrogen bonding

Dispersion forces

Dipole-Dipole forces

Ionic bonding

Dipole-induced dipole forces

Metallic bonding

What is the strongest intermolecular force present in a sample of CH4?

Covalent bonding

Hydrogen bonding

Dispersion forces

Dipole-Dipole forces

Ionic bonding

Dipole-induced dipole forces

Metallic bonding

Select the true statments

Metals are poor conductors of electricity because they hold their electrons tightly.

Polymers with a lot of cross-linking are usually rigid.

Ionic compounds tend to be brittle.

Metals tend to be brittle.

A substance with hydrogen bonding  usually has higher viscosity than a similar molecule without hydrogen bonding.

A nonpolar substance with weak dispersion forces tends to have high surface tension.