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, NY. Online Offers. Hudson is a city located along the west border of Columbia County, New York, United States. The city is named after the adjacent Hudson River and ultimately after the explorer Henry Hudson. Hudson is the county seat of Columbia County. Hudson is paired with Pallisa, Uganda, as a sister city.