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.
Hudson Early Origins. First found in Yorkshire where one of the first records of the name was John Hudsone, Hutson who was listed in the Court Rolls of the Manor of Wakefield in 1323. The Yorkshire Poll Tax Rolls of 1379 list: Johannes Hudson; Johannes Hudeson; and Adam Huddeson. Genealogy and History of the Garmire-Dunmire and Hudson Families: Also Some Family Lines, Snedeker, Wyckoff, Van Voorhies, Gutshall, Shockar, Addleman, Jacob, Parker of Chester Co., Penn., Frey, and Frankhouser by Live M. Garmire-Parker.