Chemistry

SEMESTER REVIEW (07-08)

UNIT 1

Metric system

Base units, Prefixes, Conversion

Chemical formulas

Chemical equations (Atom inventory)

pH

States of matter

Density

Solubility

Solids in liquids, Gases in Liquids

Reading solubility curves

Percent concentration

Saturated solutions

Colloids and suspensions

Atoms, molecules, ions

Atomic structure (protons, neutrons, electrons, atomic number)

Polar molecules

Names/formulas for ionic compounds

UNIT 2

Chemical changes

Periodic Table

How it's organized

Metallic and non-metallic elements and properties

Atomic number and atomic mass (weight)

Chemical families

Isotopes and mass number

Chemical equations

Balancing

Symbols

Law of Conservation of matter

Mole concept, Molecular weight, Percent composition

Moles and chemical equations

Oxidation-reduction reactions, Activity series

UNIT 3

Electron shells (or energy levels)

Valence electrons

Chemical bonding

Ionic Bonds

Covalent bonds, bonding capacity, electron dot diagrams

Intermolecular bonds

Carbon compounds

Alkanes (Names, formulas, molar mass)