| Term | Definition |
| binary compound | compounds composed of two different elements |
| meth | one |
| eth | two |
| prop | three |
| but | four |
| penta | five |
| tetra | six |
| hepta | seven |
| octa | eight |
| nona | nine |
| deca | ten |
| mono | mono |
| di | two |
| tri | three |
| alkane | this has SINGLE bonding and the formula CmH2m+2 |
| alkene | this has DOUBLE bonding and the formula CmH2m |
| alkyne | this has TRIPLE bonding and the formula C2mH2m-2 |
| oxidation numbers | numbers assigned to the atoms in molecules that show the general distribution of electrons among bonded atoms |
| chemical formula | a representation of a substance using symbols for its constituent elements |
| monatomic ion | an ion formed from a single atom |
| polyatomic ion | a group of covalently charged atoms with an overall charge |
| hydrocarbon | an organic compound composed only of carbon and hydrogen |
| hydrate | compound that has water chemically attached to its ions |
| molecule | the smallest particle (one or more atoms) of a substance that has all the properties of that substance |
| compound | a substance formed by chemical combination of two or more elements or ingredients in definite proportion by weight |