Metals represent a broad class of elements on the periodic table that typically exhibit characteristic physical properties, including high electrical and thermal conductivity, malleability, and ductility. Atomically, they are generally defined by having valence electrons that are loosely held and readily delocalized, forming a metallic bond structure. This structure allows metals to conduct electricity and heat efficiently, leading to their fundamental importance in technological applications ranging from electrical wiring and structural frameworks to catalytic processes. While properties vary widely across the group, the general ability to form alloys, which blend metals with other elements, allows for the creation of materials optimized for specific uses such as extreme hardness, corrosion resistance, or specialized electromagnetic behavior.