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.
Wrigley Mansion. For other uses, see Wrigley Mansion (Pasadena). The Wrigley Mansion in Phoenix, Arizona, is a landmark building constructed between 1929 and 1931 by chewing-gum magnate William Wrigley, Jr. It is also known as William Wrigley, Jr., Winter Cottage and as La Colina Solana.