A compound is a chemical substance that forms when two or more different elements combine in a fixed ratio. Water (H2O), for example, is a compound that is made up of two hydrogen atoms for every one oxygen atom. Sodium chloride (NaCl) is a compound made up of one sodium atom for every chlorine atom.
Hudson, Iowa. Hudson is a city in Black Hawk County, Iowa, United States. The population was 2,282 at the 2010 census. The rural community of Hudson has grown in recent years and is included as a part of the Waterloo-Cedar Falls Metropolitan Statistical Area. Contents.
Sponsored Topics. Stanton is a city in Montgomery County, Iowa, United States. The population was 714 at the 2000 census. Stanton was first settled by Swedish immigrants. Stanton is best known for its two water towers, the tanks of which are painted and shaped like a giant coffee pot and coffee cup (billed as the largest Swedish coffee pot in the world).