Nov 30, 2019 · To name chemical compounds, first determine whether the compound is ionic, polyatomic, or covalent. If it is ionic, list the metal element first and then add the nonmetal element with the suffix “-ide.” This should result in a name like "aluminum oxide." Worksheet I: Writing and Naming Molecular Formulas for Binary Compounds 1. Write the symbol of the positive element first with its’ oxidation number and then write the symbol of the negative element after it with its’ oxidation number.
Chemical Formula Writing Worksheet Solutions Write chemical formulas for the compounds in each box. The names are found by finding the intersection between the cations and anions. Example: The first box is the intersection between the “zinc” cation and the “chloride” anion, so you should write “ZnCl 2”, as shown.