6. COMPOUNDSCOMPOUNDS
compound = a pure substance
that contains two or more
different elements in a fixed
proportion. The elements are
chemically bonded.
21. EMULSIONEMULSION
emulsion = a suspension
of liquids where separation
of particles is prevented
through the use of an
emulsifying agent. An
emulsion is a type of
colloid (liquid/solid or
liquid/liquid)
22. TYNDALL EFFECTTYNDALL EFFECT
tyndall effect = the scattering of a beam of
light caused by particles in a colloid. Allows
homogeneous solutions and colloids to be
distinguished.