1. 2.4 Properties of Matter (p.50)
Chp Matter
1/13/2019
2.4 Properties of Matter (p.50)

2. What are properties?
Properties are characteristics of a substance just like hair color, skin color, height, weight, finger prints are characteristics of people.

3. Properties are characteristics of a substance that are used to:
Identify an unknown substance
Distinguish one substance from another
Characterize a newly discovered substance
Predict the usefulness of a substance for a specific application
SEE PAGE 99

4. Physical vs. Chemical Property
Physical Property
can be observed without changing the identity of the substance
Chemical Property
describes the ability of a substance to undergo changes in identity

5. Physical vs. Chemical Property
Physical Property
Chemical Property
reactivity with oxygen, bromine, hydrogen, etc.
Some properties of substances are color, taste, smell, melting point, boiling point, density, specific gravity.

6. Physical vs. Chemical Process
Physical Process
changes the form of a substance without changing its identity
Chemical Process
changes the identity of the substance with subsequent changes in properties