Naming Compounds

There are 3 types of compounds that one should know: Type 1, Type 2 and Type 3.

Type 1
Type 1 compounds are ionic. There is a cation (group 1 and 2, Al, Zn, Ag, and Cd on the periodic table)
 and there is an anion (non-metal/polyatomic ion).
The first thing you need to do is write the name of the cation. Then, change the ending of the anion to "-ide". For example, oxygen = oxide, sulfur = sulfide, ect.
Never change the name of a polyatomic ion.

Example of a Type 1: potassium + chlorine
                                        K+          Cl-      =KCL
                                 =potassium chloride

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Type 2
The most important thing to remember about Type 2 compounds is this: DO NOT TRUST THE PERIODIC TABLE!
Mn SO4 =  manganese (II) sulfate
Mn2 (SO4)3 = manganese (III) sulfate
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Type 3
Uses prefixes to tell how many each element there are in the compound. (don't use mono on the first element in the compound)
1: mono
2: di
3: tri
4: tetra
5: penta
6: hexa
7: hepta
8: octa
9: nona
10: deca
Remember to change the ending of the last element to "-ide"

Examples:
H4C2 = tetrahydogren  dicarbon
CO =carbon monoixde
P2O4CL3 = diphosphorus tetraoxygen trichloride