1. Balanced or Unbalanced?
1. Fe + S  FeS 1. Balanced
2. Mg + O2  MgO 2. Unbalanced
3. C + O2  CO2 3.
Balanced
4. P4 + O2  P4O10
4. Unbalanced
5. H2 + O2  H2O
5. Unbalanced

2. Properties of Matter
4 states of
Matter
Solid
Two types of
Liquid
Gas
Plasma
Defined as
Defined as
Defined as
No Definite
volume,
No definite
shape
A soup of positive nuclei
surrounded by free
flowing electrons
Defined as
Definite shape,
definite volume
Definite volume,
No definite shape

3. Example
Example
Ice
Example
Example
Steam
Water
Lightning
Easily go through
Change of
state
Defined as
Melting/freezing,
evaporation/condensation
Example
Melting ice

4. Two types of
Changes
Physical
Chemical
Defined as
Defined as
A change in matter
that does not
produce new materials
A change in matter
that
produces new materials
Example
Example
Crushed chalk
Burning paper

5. Properties of Matter
Separated
Can be
Mixtures
Defined as
Ex
am
Salad
pl
e
Two or more
substances physically
combined
Two classifications
Different ways
Straining, filtering,
using magnets

6. Two classifications
Heterogeneous
Homogeneous
Defined as
Defined as
Not the
same throughout
The
same throughout
Example
Frootloops
Example
Milk
Mixed so well it
looks like one
substance

7. Properties of Matter
Chemical
reactions
Obey
Conservation of
matter
Defined as
Defined as
Rearranging
atoms
Matter can not be
created or destroyed
Equations must be
4 types
Balanced

8. Synthesis
Defined as
Combines
elements
Decomposition
Defined as
Breaks down
compounds
Single
Replacement
Defined as
One element is
replaced
All can be either
Exothermic
Endothermic
Gives off
heat
Absorbs heat
Double
Replacement
Defined as
Two elements
switch places