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, MA. Hudson is located close to the center of Massachusetts. Hudson is part of Middlesex County. Hudson has 5.74 square miles of land area and 0.18 square miles of water area. As of 2010-2014, the total Hudson population is 15,212, which has grown 5.73% since 2000.