• Can be determined without altering the
chemical makeup of the material.
• Identity of the substance remains the
– Change from solid-liquid-gas.
– Heating or cooling.
– Altering shape.
– Can get original chemical back.
• Relate to the tendency of the substance to
undergo a chemical change.
• Substance is transformed into something
– Can not get original chemical back.
Broken down into 3 sections – metals,
nonmetals, and metalloids