Publishing as Benjamin Cummings. 3. A pure substance is classified as. â¢ matter with a specific and constant composition. â¢ an element when composed of one type of atom. â¢ a compound when composed of two or more. elements combined in a definite ratio. Pure Substances.
Hudson is a city in Lenawee County in the U.S. state of Michigan. The population was 2,307 at the 2010 census.
Hudson, Ohio. Hudson is a city in Summit County, Ohio, United States. The population was 22,262 at the 2010 census. It is an affluent suburban community in the Akron Metropolitan Statistical Area and the larger ClevelandâAkronâCanton Combined Statistical Area, the 15th largest Combined Statistical Area in the United States.