List of chemical symbols. Most chemical elements are represented symbolically by two letters, generally the first two in their name. In some cases, the first letter together with some other letter from their name was used, particularly when their first two letters had already been allocated to another element.
Patterson Township, Beaver County, Pennsylvania. Patterson Township is a township in Beaver County, Pennsylvania, United States. The population was 3,029 at the 2010 census.
Located in the northeastern corner of the county, it borders the following townships: 1  Williamsfield Township, Ashtabula County-north. 2  West Shenango Township, Crawford County, Pennsylvania-northeast. 3  Greene Township, Mercer County, Pennsylvania-east. 4  West Salem Township, Mercer County, Pennsylvania-southeast.