*First Nonmetal(least electroneg)+Prefix+second nonmetal abbreviation+ide
*Use prefix for first element also, if it is not one
Examples:
| Carbon Monoxide | CO |
| Carbon Dioxide | CO2 |
| Sulfur Dioxide | SO2 |
| Sulfur Trioxide | SO3 |
| Carbon Tetrabromide | CBr4 |
| *Dinitrogen Pentoxide | N2O5 |
Examples:
| Acids | |
|---|---|
| Hydrochloric Acid | HCl |
| Sulfuric Acid | H2SO4 |
| Nitric Acid | HNO3 |
| Acetic Acid | HC2H3O2 |
| Phosphoric Acid | H3PO4 |
| Bases | |
| Sodium Hydroxide | NaOH |
| Ammonium Hydroxide | NH4OH |
| Aluminum Hydroxide | Al(OH)3 |