In team 16 silicon dioxide is actually a very common compound that broadly happens as sand or quartz. SiO2 is tetrahedral with Each individual silicon atom surrounded by four oxygen atoms. Numerous crystalline types exist Together with the tetrahedra connected to variety a polymeric chain. Illustrations are tridymite and cristobalite. https://3d-filament25702.blogofchange.com/39506768/the-basic-principles-of-silica-aerogel