Content after Exam 5
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ion-dipole force
when a ion (charged atom) is attracted to a certain side of a molecule with a dipole. ex: chlorine (-1) is attracted to the positive side of a H2O molecule
dipole-dipole forces
when the positive side of a polar (has dipole) molecule is attracted to the negative side of another molecule
London dispersion forces
when electrons are forced to one side of a molecule/atom, creating a temporary dipole
boiling point
the point where a liquid starts turning to gas
polarizability
the ability to create a temporary dipole
all molecules have what force
London dispersion forces
hydrogen bonding
• a special type of dipole-dipole force • when H is bonded to F, O, N, it creates a strong dipole
rank of intermolecular forces (strength)
• Ion - dipole • hydrogen bond • dipole - dipole • London dispersion
l → g
vaporization (boiling)
l → s
fusion (freezing)
s → g
sublimation
g → l
condensation
s → l
melting
g → s
deposition
study phase change diagram