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.
Penns Park, Pennsylvania. The oldest village in Wrightstown Township, Pennsylvania, Penns Park is located in the center of the township. The zip code is 18943. The crossroads village was known as Logtown as early as 1716 and Pennsville in the early 19th century. In 1862 the village name was changed to its current one.