How Do You Write A Chemical Compound Formula?
A basic skill in chemistry is the ability to write and understand chemical formulas. The formula for a chemical compound describes the number and type of atoms within a molecule. The formula identifies a very precise compound, distinguishable from other compounds. Chemical formulas are often written using the name of the compound although the ultimate source of information for determining both the name and formula of a compound are the results of experiments. An understanding of the arrangement of elements on the periodic table as well as the information the table provides will greatly expedite the writing of chemical formulas. Differentiating Ionic and Molecular Compounds Step 1 Know the location of metals and nonmetals on the periodic table. Metals are located toward the left and middle of the table, and nonmetals are located toward the right side of the table. Step 2 Identify the compound as ionic by the presence of ions in the molecule. Metals are ions, so the presence of a metal i
