18 Questions
What is the weakest type of intermolecular force of attraction?
London-dispersion force
Which force occurs between oppositely charged poles of polar molecules?
Dipole-dipole force
What is the property of a liquid that allows solid materials to float on top of water?
Surface tension
What term describes the attractive force that results when electrons in two adjacent atoms form temporary dipoles?
London-dispersion force
In which type of force does an instantaneous dipole occur when a dipole of uneven charges is created very quickly and randomly in a molecule?
London-dispersion force
Which type of intermolecular force of attraction is considered the second strongest?
Dipole-dipole force
What is the main difference between intermolecular forces and bonds within particles?
Intermolecular forces are weaker than the bonds within particles.
How do intermolecular forces affect the behavior of substances?
They determine why substances dissolve in others.
What role do intermolecular forces play in the evaporation of a liquid?
They decrease the rate of evaporation.
How does an increase in temperature affect the vapor pressure of a substance?
Increases vapor pressure
Why do some substances have higher boiling points than others?
Due to stronger intermolecular forces
What effect do intermolecular forces have on the stickiness or slipperiness of materials?
Intermolecular forces make materials sticky.
What type of intermolecular force is the strongest among all types?
Ion-dipole force
In the context of intermolecular forces, what are ions compared to?
Tiny magnets
Which type of intermolecular force contributes to the stability of substances like water?
Dipole-dipole forces
What happens when salt (sodium chloride) dissolves in water?
Ion-dipole forces are at play
How are ion-dipole forces described in terms of interaction strength?
Strong interaction
Which type of intermolecular force has an uneven distribution of charge within polar molecules?
Dipole-dipole forces
Learn about the different types of intermolecular forces of attraction, focusing on London-dispersion force also known as Van der Waals forces. Explore how temporary dipoles and instantaneous dipoles play a role in these weak intermolecular forces that exist between atoms or molecules.
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