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.
Click to explore: A lively urban gem set in the jewel -like natural environment of Columbia County, Hudson, New York is a minor miracle: beautifully preserved (its hundreds of historic buildings representing every architectural style of the last three centuries) yet buzzing with all the ingredients of a city many times its size.