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.
Anthon is a city in Woodbury County in the U.S. state of Iowa. It is part of the Sioux City, IAâNEâSD Metropolitan Statistical Area. The population was 565 at the 2010 census. Anthon was home to Charles Osborne, who had the hiccups continuously for 68 years, and was featured in the Guinness Book of World Records [1]. It was also home to eunuchoidal giant Bernard Coyne, who was over 8 feet (243 cm) tall.