Writing Ionic Formulas A chemical formula is a combination of elemental symbols and subscript numbers that is used to show the composition of a compound.
Here's a timeline of how Wrigley Field (Weeghman Park when it was first built) was constructed, and the various changes that have been made to it over the years. 1914: Opened April 23 as the home of the Federal League Chicago Whales, with a single deck that seated 14,000.
It was named Cubs Park from 1920 to 1926, before being renamed Wrigley Field in 1927. In the North side community area of Lakeview in the Wrigleyville neighborhood, Wrigley Field is on an irregular block bounded by Clark (west) and Addison (south) Streets and Waveland (north) and Sheffield (east) Avenues.