TABLE 4.11 Flashcards
Attractive Forces That Have an Impact on Boiling and Melting Points
What types of compounds can exhibit dispersion forces?
all molecular compounds
What types of compounds can exhibit dipole-dipole attractions?
molecular compounds that contain polar bonds
What types of compounds can exhibit hydrogen bonds?
molecular compounds that contain O—H or N—H groups?
What types of compounds can exhibit ion-ion attractions?
all ionic compounds
Strength of dispersion forces
Weak
The strength of dispersion forces increases as…
the size of the molecule increases
Strength of dipole-dipole attractions
Weak
Dipole-dipole attractions are significant for molecules that contain…
N or O
Strength of hydrogen bond
Weak
Hydrogen bonds always raise…
the melting and boiling point significantly
Strength of ion-ion attractions
Very strong
Which compounds have VERY HIGH MELTING AND BOILING POINTS?
Ionic compounds
