ELEMENTS
The Periodic Table
metal
non-metal
An element is a pure substance
Cannot be broken down
MIXTURES
A mixture is formed, no chemical reaction occurs. A mixture can be separated easily by physical methods
A mixture can be easily separated by physical methods
A mixture has the properties of the substance it is made up of
Suspensions
Solutions
Solute
Rates of dissolving
- Size of solute
- Rate of stirring
- Temperature
Solubilities
- Nature of the solvent
- Nature of the solute
- Temperature
A mixture consists of two or more different substances that are mixed, but not chemically combined
COMPOUNDS
The elements that make up a compound are always combined in a fixed proportion by mass
They can be separated easily by phyiscal methods or chemical methods
The proporties of a compound are usually different from the elements it is made of
A compound is a substance that is made up of two or more different elements chemically combined