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.
Clinton County is a county in the U.S. state of Michigan. As of the 2010 census, the population was 75,382. The county seat is St. Johns. The county was created in 1831 and organized in 1839. It is named after early American politician DeWitt Clinton. Clinton County is included in the Lansing-East Lansing, MI Metropolitan Statistical Area.