In Group 16 silicon dioxide is often a quite common compound that greatly takes place as sand or quartz. SiO2 is tetrahedral with Every silicon atom surrounded by 4 oxygen atoms. Many crystalline types exist Along with the tetrahedra associated with variety a polymeric chain. Illustrations are tridymite and cristobalite. https://3dfilament82592.win-blog.com/19829705/not-known-factual-statements-about-al4c3