Intermolecular Forces Post-Lecture Quiz

What are intramolecular bonds?

• Forces that exist between molecules

• Forces that exist within molecules

• Forces that exist within atoms

Tags

NGSS.HS-LS1-6

What are intermolecular forces (IMFs) responsible for?

• Controlling the properties of liquids and solids

• Controlling the properties of atoms

• Changing the chemical composition of molecules

• Changing the subatomic composition of atoms

Tags

NGSS.HS-PS3-4

Which intermolecular force is the only IMF present between two nonpolar molecules?

• Hydrogen Bonds (HB)

• Dipole-Dipole interactions (DD)

• Ionic bonds

• London dispersion forces (LDF)

What is the requirement for two molecules to have a hydrogen bond?

• One molecule must have a hydrogen atom covalently bonded to a carbon atom, and the other molecule must have a lone pair of electrons on a nitrogen atom

• Both molecules must be polar

• One molecule must have a hydrogen atom covalently bonded to an oxygen, nitrogen, or fluorine atom, and the other molecule must have an oxygen, nitrogen, or fluorine atom

• Both molecules must be nonpolar

Which intermolecular force occurs between all polar molecules?

• Dipole-Dipole interactions (DD)

• Hydrogen Bonds (HB)

• Ionic bonds

• London dispersion forces (LDF)

Which type of molecules have permanent dipoles?

• Covalent molecules

• Polar molecules

• Nonpolar molecules

• Ionic molecules

Reorder the following from weakest to strongest.

• Covalent Bonds

• Hydrogen Bonds

• London Dispersion Forces

• Dipole-Dipole Interactions

• Ionic Bonds

Intramolecular forces are ​ (a)   molecules.

• within
• between