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.
1946: The Cubs follow up their trip to the World Series by finishing in third place with a solid record of 82-71. 1947: On May 18th the largest crown in Wrigley Field history comes to see Jackie Robinson's first game in Chicago.