* Non-metals: Elements that typically lack metallic properties. They are usually poor conductors of heat and electricity.
* Semiconductors: Materials with electrical conductivity between that of a conductor (like copper) and an insulator (like glass). Their conductivity can be controlled by factors like temperature and impurities.
Examples of Non-Metal Semiconductors:
* Silicon (Si): The most common semiconductor used in electronics.
* Germanium (Ge): Another important semiconductor, though less common than silicon.
* Carbon (C): In the form of diamond, it's an insulator, but in the form of graphite, it's a semiconductor.
Examples of Non-Metals That Are NOT Semiconductors:
* Oxygen (O): An insulator.
* Nitrogen (N): An insulator.
* Sulfur (S): An insulator.
Key takeaway: While some non-metals can be semiconductors, it's not a universal characteristic. The electrical conductivity of a material depends on its specific atomic structure and bonding.