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.
Harrison Charter Township is a charter township and a census-designated place (CDP) of Macomb County in the U.S. state of Michigan. As of the 2000 census, the population was 24,461.