Translating Word Equation/naming compounds

Translating Word Equation.

There are two ways to write an equation, word equation and symbolic equation.
Word equation contains reactants and products, no need for balancing.

Example:
This is a symbolic equation 2NO+O2-----2NO2
change it into word equation:
Nitrogen monooxide+oxygen-------nitrogen dioxide.

1. name the compound names first.
2. write down the equation.

Naming compounds

two types of compounds: ionic and covalent
   
 Ionic compound

1.  no prefix needed. But have to drop the end of negative ion and add -ide
2. Roman numerals are used following the positive ion to indicate which ion was used.

Example: manganese(III) sulfide                 ---- Mn2S3


Covalent compounds

1. Prefix is needed. (1-mono 2-di 3-tri 4-tetra 5-penta 6-hexa 7-hepta 8-octa 9-nona 10-deca)
2. drop the end of negative ion and add -ide

Example: N2O4         ----------dinitrogen tetraoxide