Elements, Compounds and Mixtures
Compounds
can be differentiated by whether
They can be separated by physical or chemical methods
Their propotionof componets is fixed or not fixed
Their properties are similar to or different from those of their componets
Elements
combine chemically to form compunds
mix with other elements or compounds to form mixture
are classified in the periodic table
what is elements
an elements is a pure substamces that cannot be broken down into any simpler substances by chemical methods.
there are millions of substance in the world. howerver, they are all made from a small number of basic substances. this bacis substances all called element
it an object by joining basic buliwing blocks together. for example, with a set of plastic building blocks. many different modles can be made from a few different blocks
Mixtures
solute
has differnt
rates of dissolving
which can
depend on
rate of stirring
size of solute peactices
solubilities
which can
depend on
nature of solute
nature of solvent
temperature
solutions
suspensions
