Unit 7.1 - 7.2 Quiz

An object going from a solid to a liquid is

• sublimation

• deposition

• freezing

• melting

Sublimation is the process of

• a gas going to a liquid

• a solid going to a gas

• a liquid going to a solid

• a gas going to a solid

Which state of matter has particles arranged like this?

• solid
• liquid
• gas

Which has particles that travel faster?

• gas
• solid
• liquid
• amorphous solid

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.

Which of the following molecules has hydrogen bonding?

• HCl
• HI
• HF
• HBr

Which noble gas has the highest boiling point?

• Xe
• Kr
• Ar
• He

Type of intermolecular force present in I₂, Br₂, and Cl₂.

• dipole dipole
• H-bond
• dispersion
• metallic

Intermolecular forces are the forces

• within molecules
• between molecules

Which of the following has the highest boiling point?

• H₂
• NH₃
• N₂
• O₂