December 7

Your homework this weekend is to write 2 questions per topic for your final exam. The topics were on the board.

Here they are:
Study Guide Topics
Chem Com Final Exam
2007-2008
1st Semester

Direct vs. Indirect water usage
Physical vs. Chemical Properties
Physical vs. Chemical Changes
Elements, compounds
Homogenous/heterogeneous mixtures
Colloids/ suspensions/solutions
Chemical symbols
Protons/neutrons/electrons
Atomic number/ Mass number
Isotopes
Write formulas for ionic compounds
Cations/anions
Saturated/unsaturated/supersaturated
effect of temperature on solubility
Polarity
Calculate concentration
Acid/base
pH scale
Metals/nonmetal/metalloids
Earth’s layers
Redox reactions
Oxidation/reduction
Conservation of matter
Balance equations
Molar masses