compound
matter
not chemically combined
mixtures
in any fixed propotion
can be differentiated by weather
they can be seperated by physical or chemical methods
their proportion of components is fixed or not
their properties are similar to or different from those of their components
mixtures
some of which may be classified as
suspension
solutions
are made using a sovent to dissolve a
solute
has different
solubbilities
which depend on
nature of the solvent
nature of th3e solute
temperature
rates of dissolving
which depend on
size of solute particals
rate of stiring
temperature
element
perodic table
non metal metal
element
elements are classified in the preriodic table
metals
non-metals
non metal
silicon oxygen nitrogen