👉 The term "nonmetallic" is a technical term used in chemistry and materials science to describe substances that do not contain metals as their constituent elements. These include compounds like silicates, which are composed of carbon atoms bonded together by sulfur or oxygen atoms, and compounds such as boron carbide, which are made up of boron atoms bonded together by carbon atoms. Nonmetallic substances are often used in materials science because they can be used to make a wide range of materials that are not
