From Wikipedia, the free encyclopedia. The chemical compound silicon dioxide, also known as silica, is the oxide of silicon, chemical formula SiO2.It is found in nature in several forms, including quartz and opal. In fact, silica has 17 crystalline forms.he chemical compound silicon dioxide, also known as silica, is the oxide of silicon, chemical formula SiO2.
Windsor is home to 217,188 people, according to the 2016 census. Windsor's population has grown by three per cent in the past five years, but the city still fell behind the national growth rate, according to data collected during the 2016 census.
Total number led homes in Niagara Falls, by type ; Total Home Population: 22,603; Population of Family homes: 12,495; Population of 15 to 24 year olds: 596; Population of 25 to 34 year olds: 2,138; Population of 35 to 44 year olds: 2,375; Population of 45 to 54 year olds: 2,816; Population of 55 to 59 year olds: 1,174; Population of 60 to 64 year olds: 954