In group 16 silicon dioxide is actually a quite common compound that greatly takes place as sand or quartz. SiO2 is tetrahedral with Every silicon atom surrounded by 4 oxygen atoms. Several crystalline kinds exist with the tetrahedra associated with type a polymeric chain. Examples are tridymite and cristobalite. A https://3d-filament25702.blogofchange.com/39506768/the-basic-principles-of-silica-aerogel