Guide to Naming Covalent Compounds with Practice Solutions

Begin by identifying the elements involved in the molecule and their respective prefixes. For binary molecular substances, the first element is named using its full name, while the second element gets an “-ide” suffix. The prefixes indicate the number of atoms of each element present. For example, CO is named carbon monoxide, while CO₂ is carbon dioxide.

Next, ensure you apply the correct numerical prefixes. These prefixes are used to show how many atoms of each element are in the molecule. For example, di- represents two, tri- means three, and so on. Make sure not to use “mono-” for the first element; it’s only used for the second element when there is one atom of it.

As you work through naming, always double-check the atomic number and symbol for accuracy. These are fundamental to ensuring the correct structure is applied in your molecular naming process.