1. Compound Names and Formulas

2. Ionic Compounds CATIONS CATIONS Na = Sodium ionNa = Sodium ion Mg = Magnesium ionMg = Magnesium ion Anions Anions F = Fluoride ionF = Fluoride ion Cl = Chloride ionCl = Chloride ion Sodium Chloride Sodium Flouride Magnesium Fluoride Magnesium Chloride *Ionic Bonds Create a Neutral Compound*

3. Covalent Compounds Prefix: Prefix:Mono-Di-Tri-Tetra-Penta-Hexa-Hepta-Octa-Nona-Deca 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 The word mono, is not used for the first element The word mono, is not used for the first element Examples: Examples: N 2 O 4 = Dinitrogen TetroxideN 2 O 4 = Dinitrogen Tetroxide CH 2 O= Carbon Dihydrogen monoxideCH 2 O= Carbon Dihydrogen monoxide BF 3 = Boron TriflourideBF 3 = Boron Triflouride P 4 O 10 = Tetraphosphorus DecoxideP 4 O 10 = Tetraphosphorus Decoxide

4. Metallic Compounds Same as Covalent Same as Covalent EXCEPT metals not changed to ide EXCEPT metals not changed to ide

5. Empirical Formula Simplest formula- ratio EXAMPLE: CH2O C2H4O2 or C6H12O6 or C8H16O8 *Different compounds* MOLECULAR FORMULA Exact formula for that particular compound.