Compound Names and Compound Names and FormulasFormulas

Ionic CompoundsIonic Compounds

CATIONSCATIONS• Na = Sodium Na = Sodium ionion• Mg = Magnesium Mg = Magnesium ionion

AnionsAnions• F = Fluoride F = Fluoride ionion• Cl = Chloride Cl = Chloride ionion

Sodium ChlorideSodium Chloride Sodium Flouride Sodium Flouride

Magnesium FluorideMagnesium Fluoride Magnesium Chloride Magnesium Chloride

*Ionic Bonds Create a Neutral Compound**Ionic Bonds Create a Neutral Compound*

Covalent CompoundsCovalent Compounds Prefix: Prefix: Mono-Di-Tri-Tetra-Penta-Hexa-Hepta-Octa-Nona-DecaMono-Di-Tri-Tetra-Penta-Hexa-Hepta-Octa-Nona-Deca

1 2 3 4 5 6 7 8 9 101 2 3 4 5 6 7 8 9 10

The word mono, is not used for the first The word mono, is not used for the first elementelement

Examples:Examples:• NN22OO44== Dinitrogen Tetroxide Dinitrogen Tetroxide

• CHCH22O= Carbon Dihydrogen monoxideO= Carbon Dihydrogen monoxide

• BFBF33= Boron Triflouride= Boron Triflouride

• PP44OO1010= Tetraphosphorus Decoxide= Tetraphosphorus Decoxide

Metallic CompoundsMetallic Compounds

Same as Covalent Same as Covalent

EXCEPT metals not changed to ideEXCEPT metals not changed to ide

Empirical FormulaEmpirical Formula

Simplest formula- ratioSimplest formula- ratio EXAMPLE:EXAMPLE: CHCH22OO C C22HH44OO22 or C or C66HH1212OO66 or C or C88HH1616OO88

*Different compounds**Different compounds*

MOLECULAR FORMULAMOLECULAR FORMULA Exact formula for that particular Exact formula for that particular

compound.compound.