the change from a gas to a solid without passing through the liquid stage
deposition
sublimation
the change from a solid to a gas without passing through the liquid state
plasma
a superheated gas composed of electrically charged particles
ion
an atom that had gained or lost one or more electrons
absolute zero
the lowest possible temperature at which matter has nor remaining thermal or heat energy
Kelvin scale
a temperature scale that begins at absolute zero
heat capacity
the ability to store and release heat energy
polarity
the quality of having opposite charges for different points of a molecule
hydrogen bond
a weak bond that connects hydrogen containing molecules at polar areas
surface tension
the elastic property of liquids
solubility
the ability of one substance to dissolve in another
viscosity
the resistance of a liquid to flow
pH scale
a range from 0 to 14 that explains concentration of hydrogen ions
acid
a substance with a pH less than 7.0
base
a substance with a pH greater than 7.0
