Binary compound
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A binary compound is a chemical compound consisting of only atoms of two different elements, e.g.: NaCl (Sodium Chloride, also known as table salt) is a binary compound, as it is an ionically bound compound made up of two elements, and happens to be what we commonly know as table salt.
Metals with variable valences
“Stock”
Metal + Valence of metal (As Roman numerals) + Nonmetal + “-ide”
“Latin Method”
Latin name of metal + “-ic” (For higher valence) / “-ous” (For lower valence) + Nonmetal + “-ide”
Binary Acids
“Hydro-” + Nonmetal + “-ic” + “acid”
Binary Covalent Compounds
Nonmetal + Nonmetal + "-ide"
Add the appropriate latin prefix to each element name to denote the number of atoms of each element present in a molecule of the compound. This method is not used with ionic compounds, only with covalent compounds. For example, K2O is not dipotassium oxide, it is simply potassium oxide. P4O6, however, would be tetraphosphorus hexaoxide.
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| 1 | Mono- | 3 | Tri- | 5 | Penta- | 7 | Hepta- | 9 | Nona- |
|---|---|---|---|---|---|---|---|---|---|
| 2 | Di- | 4 | Tetra- | 6 | Hexa- | 8 | Octa- | 10 | Deca- |
