The most common elements, in order from most common to least common, are Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorous, and Sulfur. As far as I know, every organic compound â¦ compound contains these elements. Which explains why rotting organic material lets of Hydrocarbons (C and H).ll organic compounds contain carbon. In addition they may have hydrogen, oxygen, nitrogen, sulphur, halogens, phosphorus etc. 15 people found this useful. Edit.
Since opening in 1963, the Pro Football Hall of Fame has grown in both size and stature. The building was expanded in 1971, 1978 and 1995, and completed major exhibit gallery renovations in 2003, 2008, and 2009.
As of 2012, 273 people have been inducted into the Pro Football Hall of Fame. New members are announced annually the weekend of the Super Bowl and enshrined in early August as part of a week of events in Canton that culminates in the Hall of Fame Game -- the start of the NFL's preseason.