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.
City of the Village of Clarkston or Clarkston is a small city located in Oakland County in the U.S. state of Michigan.The city is approximately one half square mile and is surrounded by Independence Charter Township.The population was 882 at the 2010 census.larkston is a small community in the northern outskirts of the Detroit suburbs. Located with easy access to I-75, Clarkston offers a direct route to downtown Detroit and Flint.