AP Chemistry Liquids and Solids

What explains the very high melting and boiling point of water

• Strong dipole-dipole bonds between water molecules
• Strong hydrogen bonds between water molecules
• Dispersion forces which are present in all molecules
• Asymmetrical shape of the polar bonds.

Tags

NGSS.MS-PS1-4

All molecules have London forces between them, but dipole-dipole and hydrogen bonding are so much stronger that when they are present we can ignore London forces.  Which of these has ONLY London forces?

• I₂
• NH₃
• OCl₂
• SH₂

Which substance would have the weakest intermolecular forces of attraction?

• CH₄

• NaCl

• H₂O

• MgF₂

Tags

NGSS.HS-PS1-3

Determine the type of intermolecular force present in SiO₂.

• dipole dipole
• dispersion
• ionic
• covalent network

Tags

NGSS.HS-PS2-6

What is the strongest intermolecular force present in HCl?

• dipole dipole

• dispersion

• H-bond

• ionic

This picture most likely depicts the arrangement of atoms in a

• diamond

• salt

• metal

• gas

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

What intermolecular force is present in Cl₂?

• dipole dipole
• H-bond
• dispersion
• metallic

What is the strongest type of intermolecular force present in HF?

• dipole dipole
• dispersion
• H-bond
• ionic

Intermolecular forces are the forces

• within molecules
• between molecules

Which of the following has the lowest boiling point?

• CaCl₂
• PH₃
• Cl₂
• N₂