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.
Jefferson Place in Pella, Iowa is a nonprofit nursing home that accepts Medicare and Medicaid. This is the only nursing home in Pella, so if you don't want to use this facility, you may have to travel elsewhere in your county for treatment. 1  The highest rated centers in Marion County are: 2  Jefferson Place - Smart Rating of 73 out of 100. 3  The Cottages - Smart Rating of 66 out of 100.