In team 16 silicon dioxide is a quite common compound that extensively takes place as sand or quartz. SiO2 is tetrahedral with Every single silicon atom surrounded by 4 oxygen atoms. A lot of crystalline kinds exist With all the tetrahedra associated with kind a polymeric chain. Illustrations are tridymite https://beaufecay.wikiitemization.com/5530953/the_fact_about_silicon_nitride_applications_that_no_one_is_suggesting