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.
Sparta Township is in northern Kent County, Michigan. We are conveniently located 15 minutes north of Grand Rapids and 30 minutes from the Lake Michigan shoreline. The west half of the township is on the âRidgeâ, a prime fruit-growing area, with many acres of beautiful orchards. At the center is the Village of Sparta, a thriving small town.