WorksheetsIntermolecular Forces
Total questions: 20
Worksheet time: 20mins
What is the Kinetic-Molecular Theory?
A theory about solids only
It explains the behavior of gas particles
It states that all matter is composed of molecules
It describes chemical reactions
What phase change occurs when a solid turns directly into a gas?
Condensation
Sublimation
Deposition
Freezing
Which of the following is NOT a type of intermolecular force?
Hydrogen bond
Dipole-dipole
Ionic bond
London dispersion forces
What type of intermolecular force is responsible for the high boiling point of water?
London dispersion forces
Dipole-dipole interactions
Hydrogen bonding
Ion-dipole forces
True or False: Gas particles strongly attract each other.
True or False: Boiling occurs when vapor pressure equals atmospheric pressure.
True or False: London dispersion forces are the strongest intermolecular force.
True or False: Electronegativity determines bond polarity.
Which phase change requires an input of energy?
Freezing
Deposition
Condensation
Evaporation
Why does NH3 have stronger intermolecular forces than PH3?
NH3 has hydrogen bonds
PH3 has a higher molecular weight
PH3 is more electronegative
NH3 is non-polar
Which of these substances has the highest boiling point?
Ethanol (78°C)
Acetone (56°C)
Propane (-42°C)
Oxygen (-183°C)
What is the dominant intermolecular force in CO2?
Hydrogen bonding
Dipole-dipole forces
London dispersion forces
Ion-dipole forces
Liquid particles have more energy than ___ particles.
solid
gas
Collisions in which particles transfer all their kinetic energy to other particles are called ___.
elastic
inelastic
Which of the following assumptions of the kinetic molecular theory explains why gases are extremely fluid?
the particles do not attract or repel each other
the particles have elastic collisions
gases are made up of tiny particles that are very far apart
the particles travel in a straight line, in a continuous, fast, and random motion
Which of the following phase changes releases energy?
Fusion
Vaporization
Freezing
Sublimation
Which of the following substances is most likely to exhibit hydrogen bonding?
O2
H2O
CO2
CH4
What phase change occurs when a gas turns into a liquid?
Evaporation
Freezing
Condensation
Sublimation
Collisions in which particles transfer all their kinetic energy to other particles are called ___.
elastic
inelastic
Liquid particles have more energy than ___ particles.
solid
gas
