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 pm specializes in. 1  Property Management Companies in Hoboken, Jersey City, West New York, Union City, and all of Hudson County offer similar services, but its how these services are delivered that makes the difference.