1. Chapter 1
Matter

2. What is Chemistry?
Chemistry-

3. Chemical
Chemical-

4. Pure Substances

5. Pure Substances

6. Heterogeneous
Homogeneous

7. Mixtures

8. Mixtures

9. Can it be physically separated?
Matter Flowchart
yes no
Can it be physically separated?
Is the composition uniform? no
yes
Can it be chemically decomposed? no
yes

10. Extensive vs. Intensive
Extensive Property
depends on the amount of present
Example: volume, mass, amount of energy in a substance
Intensive Property
Does not depend on the of matter present
Example: melting point, boiling point, density, ability to conduct electricity

11. Physical vs. Chemical Physical Property Chemical Property
A characteristic that can be or without changing the identity of the substance
Example: mass, length, volume, density, melting and boiling points, color, hardness, conductivity, solubility
Chemical Property
Describes how a substance undergoes a to form new substances
Example: How does a substance burn, reacts with acid, rusts

12. Physical vs. Chemical Physical Change Change of State
A change in a substance that does not involve a change in the of the substance; no substances are formed
Example: grinding, dissolving, cutting, breaking, crushing
Change of State
A change of a substance from one state to another (freeze, , melt, , condense)

13. Four States of Matter Solids
very low particles vibrate but can’t move around
fixed

14. Four States of Matter Liquids
low particles can move around but are still close together
shape
volume

15. Four States of Matter Gases
high particles can separate and move throughout container
shape and volume

16. Four States of Matter Plasma
High temperature physical state of matter in which atoms lose most of their ; is considered a state of matter
Exists in the and other

17. Physical vs Chemical Change
A change in which one or more substances are into different substances; substances are formed
Example: combustion (burning), digestion, color changes, light emitted, gas given off, precipitation, pH changes, cooking, rusting
Example: sodium + chlorine  sodium chloride