Intermolecular Forces

Front

What are intermolecular forces?

Back

Intermolecular forces are the forces of attraction or repulsion between neighboring particles (molecules, atoms, or ions). They play a crucial role in determining the physical properties of substances.

Front

Rank the following intermolecular forces from strongest to weakest: covalent bond, hydrogen bond, dipole-dipole attraction, London forces.

Back

Covalent bond > Hydrogen bond > Dipole-dipole > London forces.

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.

Front

What is a hydrogen bond?

Back

A hydrogen bond is a type of dipole-dipole attraction that occurs between a hydrogen atom bonded to a highly electronegative atom (like N, O, or F) and another electronegative atom.

Front

What are London dispersion forces?

Back

London dispersion forces are weak intermolecular forces that arise from temporary dipoles in molecules due to the movement of electrons.

Front

What is dipole-dipole attraction?

Back

Dipole-dipole attraction is the interaction between the positive end of one polar molecule and the negative end of another polar molecule.

Front

Does HCl have hydrogen bonding?

Back

No, HCl does not have hydrogen bonding because it does not have a hydrogen atom bonded to a highly electronegative atom.

Front

What are the strongest intermolecular forces in PH3?

Back

The strongest intermolecular forces in PH3 are dipole-dipole forces.

Front

Which molecule has the strongest London forces: F2, Br2, I2, or Cl2?

Back

I2 has the strongest London forces because it is the heaviest molecule among the options.

Front

What is ionic bonding?

Back

Ionic bonding involves the transfer of electrons from one atom to another, resulting in the formation of positively and negatively charged ions.