3.4-Intermolecular Attractions - 2

Bulk properties such as melting point and boiling point depend on ____ interactions.

• atomic

• ionic

• covalent

• intermolecular

The ____ is a measure of how easily a liquid evaporates.

• melting point

• volatility

• conductivity

• density

The ____ the intermolecular forces, the lower the volatility.

• stronger

• weaker

• faster

• denser

Only ____ forces hold bromine molecules together in liquid bromine.

• hydrogen

• ionic

• dispersion

• dipole-dipole

Bromine is highly ____, meaning many molecules exist in the gas phase.

• reactive

• dense

• volatile

• stable

The hydrogen bonds, dipole-dipole, and dispersion forces hold ____ molecules near each other.

• water

• bromine

• ethanol

• iodine

Molecular substances tend to melt and boil at ____ temperatures than ionic compounds.

• higher

• lower

• equal

• random

The stronger the intermolecular forces, the more ____ is needed to separate molecules.

• volume

• space

• energy

• time

The halogens exist in different states due to differences in ____ forces.

• ionic

• dipole-dipole

• hydrogen

• dispersion

Chlorine (Cl₂) exists as a ____ at room temperature.

• gas

• liquid

• solid

• plasma