Intermolecular Forces

What causes London dispersion forces?

• attraction between ions

• movement of electrons

• sharing of electrons

• differences in electronegativity

Which of the following intermolecular forces is the weakest if the masses are the same?

• dipole-dipole

• london dispersion

• hydrogen bonding

• ion-dipole

What causes dipole-dipole interactions?

• sharing of electron pairs

• attraction between polar molecules

• attractive force of a covalently bonded hydrogen to an unshared electron pair

• attraction between ions

What are the strongest intramolecular attractions?

• ionic forces

• metallic forces

• covalent forces

• hydrogen forces

Which compound would have the highest melting point?

• CBr₄

• NaBr

• CaBr₂

• Br₂

The compounds with the following interactions would have the highest boiling point?

• ionic bonds

• covalent bonds

• metallic

• polar covalent

What is the weakest intermolecular force that HBr has?

• ionic bonding

• hydrogen bonding

• dipole-dipole

• london dispersion force

What is the intramolecular force found in calcium bromide?

• ionic

• covalent

• london dispersion

• dipole dipole

11. Which of the following compounds has the lowest melting point?

• CO₂

• MgO

• LiBr

• SrF₂

When a compound dissolves in water but does not conduct electricity it is______

• ionic

• nonpolar covalent

• polar covalent

• none of the above