1. What Properties Describes matter?
Describing Matter
What Properties Describes matter?

2. Substance It is pure, has a specific make up or composition.
Compounds and elements are pure substances.
It is pure, has a specific make up or composition.
Example: Water is a pure substance:
It is a compound
Molecular formula H20
always the same

3. Physical Properties of Matter
A physical property of a substance can be observed without changing it into another substance.
Hardness * Melting Point
Texture *Freezing Point
Color
Temperature
Solid, liquid, gas

4. Physical Properties of metal
Luster – ability to shine
Ductility – can be shaped into a thin wire
Malleability – can be shaped into a flat surface
Conductivity – ability to transfer heat and electricity
Magnetism – attracted to magnets

5. Chemical Properties
A chemical property will be observed when a substance changes into another substance
Example of chemical properties
Flammability
Reactivity
Ability to rust
combustion

6. Sodium combustion with water